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docs: create individual ST-01/ST-02 pages, fix XH-02/XH-03 English versions

Browse Source 
New pages:
- ST-01 万星源号/Stellaria zh+en: dual-origin story (base mothership→pause→reconfigure)
  7 mission subsections: Inner Solar System, Mars One 2, Europa Outpost 1,
  Major Overhaul (2nd gravity ring), Saturn 1, Star Port upgrade, Neptune
- ST-02 克里斯滕/Kristen zh+en: extended reconfiguration (884 days)
  Mars Expedition 1, Europa Outpost 2, Europa Expedition 2 (ongoing)

Fixed:
- XH-02 en: align with zh version (dates, missions, status)
- XH-03 en: align with zh version (dates, trial run status)

All pages: hyperlinks on first mention, database-sourced dates,
natural Chinese terminology, specific VLT numbers and orbiter names

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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Armor
2026-05-29 18:16:04 +08:00
co-authored by Claude Opus 4.7
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<article class="mw-parser-output wiki-article">
<h1 id="stellaria-st01">Wanxingyuan / Stellaria (ST-01)</h1>
<table class="infobox">
<caption>Wanxingyuan / Stellaria<span>ST-01</span></caption>
<tbody>
<tr><td><div class="image-placeholder">ST-01 Wanxingyuan side-view image placeholder (Stellaria-class lead ship, dual artificial-gravity ring configuration)</div><div class="thumbcaption">ST-01 Wanxingyuan is the lead ship of the Stellaria-class interplanetary exploration mothership, originally begun as a Xihe-class base mothership in 2050 and reconfigured to Stellaria-class in 2053-2054.</div></td></tr>
<tr><td><b>Ship name</b>: Wanxingyuan (ST-01)</td></tr>
<tr><td><b>Class</b>: <a href="/home/Exploration_Motherships/Stellaria">Stellaria-class interplanetary exploration mothership</a></td></tr>
<tr><td><b>Original construction start</b>: 2050-09-15</td></tr>
<tr><td><b>Construction halted</b>: 2053-02-02</td></tr>
<tr><td><b>Reconfiguration start</b>: 2053-05-11</td></tr>
<tr><td><b>Reconfiguration complete</b>: 2054-04-28</td></tr>
<tr><td><b>Trial run</b>: 2054-05-12 to 2054-08-22</td></tr>
<tr><td><b>Deep space test</b>: 2054-09-07 to 2054-11-28</td></tr>
<tr><td><b>Pre-commissioning maintenance</b>: 2054-12-01 to 2055-02-28</td></tr>
<tr><td><b>Entered service</b>: March 2055</td></tr>
<tr><td><b>Full Stellaria-class upgrade</b>: 2059-11-25 to 2060-02-10</td></tr>
<tr><td><b>Current status</b>: Active (Outer Solar System Exploration Mission 1, en route to Neptune)</td></tr>
<tr><td><b>Initial construction method</b>: <a href="/home/Space_Shuttles/Vulture_Shuttle">Vulture Shuttle</a> LEO "orbiter relay" assembly</td></tr>
<tr><td><b>Reconfiguration method</b>: <a href="/home/Cargo_Ships/Qingtian">Qingtian cargo ship</a> + <a href="/home/Stations/Star_Port_Station">Star Port Station</a> dock</td></tr>
<tr><td><b>Home port</b>: Star Port Station</td></tr>
</tbody></table>
<p><b>Wanxingyuan</b> (designation <b>ST-01</b>), also referred to as <b>Stellaria</b>, is the lead ship of the <a href="/home/Exploration_Motherships/Stellaria">Stellaria-class interplanetary exploration mothership</a>. The vessel has a unique dual-origin construction history: it was originally laid down as a <a href="/home/Exploration_Motherships/Xihe">Xihe-class</a> base mothership in September 2050, built in parallel with <a href="/home/Exploration_Motherships/Xihe/XH-01">Xihe (XH-01)</a>; after 871 days of construction it was halted in February 2053, transferred to the Stellaria Program, and reconfigured as the Stellaria-class lead ship, with reconfiguration completed in April 2054. As of March 2060, Wanxingyuan is executing Outer Solar System Exploration Mission 1, en route to Neptune.</p>
<p>Wanxingyuan is the first crewed deep-space mothership in human history equipped with a lightspeed engine, and the first mothership to execute missions to Mercury, Venus, Saturn, and Neptune. Over five years of service it has completed a string of pioneering missions: inner solar system exploration (Mercury + Venus), Mars base construction, Europa Outpost construction, and Saturn exploration. A comprehensive upgrade at Star Port Station from late 2059 to early 2060 brought it to full Stellaria-class specifications, including dual artificial-gravity habitation rings, a central extension section, cryo-sleep chambers, and enhanced radiation protection.</p>
<nav class="toc" aria-label="Contents">
<div class="toc-title">Contents</div>
<ol>
<li><a href="#design-overview">Design overview</a></li>
<li><a href="#construction">Construction</a>
<ol>
<li><a href="#initial-construction-xihe-class-base-mothership">Initial construction: Xihe-class base mothership (2050-2053)</a></li>
<li><a href="#reconfiguration-stellaria-class-lead-ship">Reconfiguration: Stellaria-class lead ship (2053-2054)</a></li>
</ol>
</li>
<li><a href="#testing-and-commissioning">Testing and commissioning</a></li>
<li><a href="#operational-history">Operational history</a>
<ol>
<li><a href="#inner-solar-system-exploration-1">Inner Solar System Exploration Mission 1 (2055-2056)</a></li>
<li><a href="#mars-one-construction-2">Mars One Construction Mission 2 (2056)</a></li>
<li><a href="#europa-outpost-construction-1">Europa Outpost Construction Mission 1 (2056-2057)</a></li>
<li><a href="#maintenance-and-upgrades_2058">Maintenance and Upgrades (2058)</a></li>
<li><a href="#saturn-exploration-1">Saturn Exploration Mission 1 (2058-2059)</a></li>
<li><a href="#star-port-full-upgrade">Star Port Full Upgrade (2059-2060)</a></li>
<li><a href="#outer-solar-system-exploration-1">Outer Solar System Exploration Mission 1 (2060-ongoing)</a></li>
</ol>
</li>
<li><a href="#specifications">Specifications</a></li>
<li><a href="#see-also">See also</a></li>
</ol>
</nav>
<h2 id="design-overview">Design overview</h2>
<p>Wanxingyuan is the lead ship of the Stellaria class, adopting a long axial-spine multi-module cylindrical configuration that extends the proven axial modular layout of the Xihe class across several key dimensions. Following the 2059-2060 Star Port comprehensive upgrade, the vessel measures approximately 125 m in overall length and features dual artificial-gravity habitation rings (each 30 m in diameter), a central extension section, a greenhouse module, cryo-sleep chambers, and enhanced radiation protection. Propulsion is centered on the lightspeed engine powered by an Ark cold-fusion reactor, with a retained Perseverance mass-driver propulsion system serving as backup.</p>
<p>Wanxingyuan is not capable of atmospheric re-entry or planetary landing; surface access and short-range transport are handled by two carried <a href="/home/Space_Shuttles/Echo_Shuttle">Echo-class shuttles</a> (or compatible ferry craft). The ship accommodates a long-duration crew of 25 (up to 50 short-duration), with the dual artificial-gravity rings operating at different rotation rates to provide adjustable artificial gravity between approximately 0.4 g and 0.6 g. The greenhouse module features multi-zone rotational hydroponic cultivation, providing stable food supplementation and atmospheric regeneration for long-duration missions. Cryo-sleep chambers support reduced metabolic consumption during ultra-long transits such as outer-planet missions. For a complete description of design details, see the main <a href="/home/Exploration_Motherships/Stellaria">Stellaria-class interplanetary exploration mothership</a> article.</p>
<figure class="thumb tright"><div class="image-placeholder">ST-01 dual-ring configuration diagram placeholder</div><figcaption class="thumbcaption">Following its 2058 upgrade, Wanxingyuan features dual artificial-gravity habitation rings plus a central extension section, significantly improving crew accommodation and mission resilience for long-duration deep-space operations.</figcaption></figure>
<p>As the Stellaria-class lead ship, Wanxingyuan uniquely combines the "genetic" heritage of the Xihe-class base frame with the core capability of Stellaria-class lightspeed propulsion. This hybrid origin meant that during its early missions (2055-2058) the ship operated a lightspeed engine with otherwise Xihe-standard systems, gained a second artificial-gravity ring and greenhouse upgrade in the 2058 maintenance, and finally achieved full Stellaria-class specifications in the 2059-2060 Star Port upgrade. This progressive evolutionary pathway provided irreplaceable operational data for the design of subsequent Stellaria-class sister ships.</p>
<h2 id="construction">Construction</h2>
<h3 id="initial-construction-xihe-class-base-mothership">Initial construction: Xihe-class base mothership (2050-2053)</h3>
<p>Wanxingyuan's predecessor was one of two "base motherships" laid down in parallel with Xihe (the other later became <a href="/home/Exploration_Motherships/Stellaria/ST-02">ST-02 Kristen</a>). On 2050-09-15, the first module was delivered to low Earth orbit by an uncrewed <a href="/home/Space_Shuttles/Vulture_Shuttle">Vulture Shuttle</a> (Block 1), initiating 871 days of initial construction.</p>
<p>Construction employed the same "orbiter relay" method used for Xihe: the first launch delivered the initial module via an uncrewed orbiter that remained on orbit as the assembly platform; each subsequent launch brought a new module and assembly crew aboard a crewed orbiter, with the crew using the orbiter left behind from the previous mission as their operations base. Wanxingyuan's initial construction (then without an ST designation) overlapped heavily with Xihe's construction timeline, with the Vulture fleet sustaining parallel construction of two motherships simultaneously during 2050-2053 -- the fleet's highest operational tempo in its history.</p>
<p>The following table records the key launches of the initial construction phase:</p>
<table>
<thead><tr><th>No.</th><th>Date</th><th>Mission</th><th>Orbiter</th><th>Primary module(s)</th><th>Notes</th></tr></thead>
<tbody>
<tr><td>1</td><td>2050-09-15</td><td>VLT-456</td><td><a href="/home/Space_Shuttles/Vulture_Shuttle">Patience</a> (uncrewed)</td><td>Forward docking hub</td><td>Orbiter remained on orbit as initial assembly platform</td></tr>
<tr><td>2</td><td>2050-12-01</td><td>VLT-478</td><td><a href="/home/Space_Shuttles/Vulture_Shuttle">Perseverance</a> (crewed)</td><td>Command center</td><td>Crew used Patience as ops base; returned aboard Patience after mission</td></tr>
<tr><td>3</td><td>2051-03-15</td><td>VLT-503</td><td><a href="/home/Space_Shuttles/Vulture_Shuttle">Loyalty</a> (crewed)</td><td>Static habitation module</td><td>Crew used the orbiter left by Perseverance as base</td></tr>
<tr><td>4</td><td>2051-06-01</td><td>VLT-530</td><td><a href="/home/Space_Shuttles/Vulture_Shuttle">Determination</a> (crewed)</td><td>Central docking hub + initial truss</td><td>--</td></tr>
<tr><td>5</td><td>2051-09-15</td><td>VLT-558</td><td><a href="/home/Space_Shuttles/Vulture_Shuttle">Courage</a> (crewed)</td><td>Greenhouse module</td><td>--</td></tr>
<tr><td>6</td><td>2051-12-01</td><td>VLT-581</td><td><a href="/home/Space_Shuttles/Vulture_Shuttle">Endurance</a> (crewed)</td><td>Main storage module</td><td>--</td></tr>
<tr><td>7</td><td>2052-03-15</td><td>VLT-607</td><td><a href="/home/Space_Shuttles/Vulture_Shuttle">Courage</a> (crewed)</td><td>Artificial-gravity habitation ring + truss extension</td><td>Ring segment exceeding Vulture payload bay limits assisted by super-heavy launch vehicle</td></tr>
<tr><td>8</td><td>2052-06-01</td><td>VLT-632</td><td><a href="/home/Space_Shuttles/Vulture_Shuttle">Determination</a> (crewed)</td><td>Propulsion module base structure</td><td>Ship achieved autonomous power and basic attitude control from this point</td></tr>
<tr><td>9</td><td>2052-09-15</td><td>VLT-650</td><td><a href="/home/Space_Shuttles/Vulture_Shuttle">Patience</a> (crewed)</td><td>Remaining truss + solar arrays</td><td>Final orbiter relay mission; subsequent work conducted directly on the mothership</td></tr>
</tbody></table>
<p>By 2053-02-02, initial construction had accumulated 871 days. At this point the hull had completed primary structural mating and most cross-module connections, but the main propulsion system (the Xihe-class Perseverance mass-driver) had not yet been delivered. Just as the propulsion module was about to arrive, a strategic decision altered the ship's destiny: the emerging Stellaria Program offered the revolutionary lightspeed engine propulsion technology. Completing it as a standard Xihe-class mothership would have missed the window to leverage the new technology.</p>
<p>Construction was formally halted on 2053-02-02. Three months later (2053-05-11), the hull was officially transferred to the Stellaria Program and entered the reconfiguration phase. The other base mothership (future ST-02) was also halted on 2053-02-10 and subsequently transferred as well.</p>
<h3 id="reconfiguration-stellaria-class-lead-ship">Reconfiguration: Stellaria-class lead ship (2053-2054)</h3>
<p>Reconfiguration work commenced on 2053-05-11 at <a href="/home/Stations/Star_Port_Station">Star Port Station</a>, lasting 352 days and completing on 2054-04-28. During this period, the ship's original Xihe-class propulsion module mounting base was replaced with a lightspeed-engine-compatible interface, and lightspeed engine core components were delivered in batches to Star Port by <a href="/home/Cargo_Ships/Qingtian">Qingtian cargo ships</a> (LEO upmass capacity approximately 150 t) for orbital installation and static testing.</p>
<p>It is crucial to emphasize that this reconfiguration's core change was the replacement of the Xihe-class Perseverance mass-driver propulsion system with the lightspeed engine -- all other systems (including command center, habitation modules, greenhouse, docking interfaces, and life-support systems) remained at Xihe-class standards. In other words, upon completion of reconfiguration in 2054, Wanxingyuan was essentially a hybrid platform: "Xihe-class hull + Stellaria-class propulsion core." This identity defined its early operations from 2055 to 2058, until the 2059-2060 Star Port upgrade brought it to full Stellaria-class specifications.</p>
<table>
<thead><tr><th>Phase</th><th>Start</th><th>End</th><th>Duration</th><th>Activity</th></tr></thead>
<tbody>
<tr><td>Initial construction (Xihe-class base mothership)</td><td>2050-09-15</td><td>2053-02-02</td><td>871 days</td><td>Vulture Shuttle orbiter relay, structural assembly and cross-module connections</td></tr>
<tr><td>Construction halt</td><td>2053-02-02</td><td>2053-05-11</td><td>98 days</td><td>Strategic decision and transfer preparation</td></tr>
<tr><td>Reconfiguration (Stellaria-class lead ship)</td><td>2053-05-11</td><td>2054-04-28</td><td>352 days</td><td>Qingtian cargo ship transport, lightspeed engine installation and static testing</td></tr>
<tr><td>Total</td><td>2050-09-15</td><td>2054-04-28</td><td>1,321 days</td><td>From first module arrival to reconfiguration completion</td></tr>
</tbody></table>
<h2 id="testing-and-commissioning">Testing and commissioning</h2>
<p>Following reconfiguration, Wanxingyuan entered testing and commissioning preparation across three phases:</p>
<p><b>Trial Run</b> (2054-05-12 to 2054-08-22, 102 days): Conducted in lunar orbit. This was the first time the lightspeed engine received systematic validation in an actual space environment. Testing covered low-power lightspeed engine ignition, propulsion-to-Xihe-standard power bus compatibility verification, command center adaptation to the new propulsion control interface, and artificial-gravity habitation ring dynamic balance testing under lightspeed engine vibration. The lunar orbit round-trip provided gravity environment and communications delay conditions closer to actual deep-space missions than LEO could.</p>
<p><b>Deep Space Test</b> (2054-09-07 to 2054-11-28, 82 days): Wanxingyuan proceeded uncrewed to the Sun-Earth L2 Lagrange point, executing the first deep-space autonomous flight validation of the lightspeed engine. The mission verified thermal control stability under sustained high-power lightspeed engine output, integration of lightspeed engine thrust models into the long-duration autonomous navigation system, and ship-wide structural response at lightspeed-class velocity increments. This was the first time in human history that a lightspeed engine performed maneuvers at Sun-Earth L2 distance.</p>
<p><b>Pre-commissioning Maintenance</b> (2054-12-01 to 2055-02-28, 89 days): After the deep space test, Wanxingyuan returned to LEO and docked at Star Port Station, where the engineering team applied system optimizations based on trial run and deep space test data. Key items included lightspeed engine thrust vector calibration fine-tuning, propulsion control redundancy loop upgrades, command center navigation computer software updates, and life-support flow-rate rebalancing to accommodate the lightspeed engine's higher power fluctuation levels.</p>
<p>In March 2055, Wanxingyuan formally entered service, becoming the first operational lightspeed-engine crewed deep-space mothership in human history.</p>
<h2 id="operational-history">Operational history</h2>
<p>Since entering service in March 2055, Wanxingyuan has executed six major missions (including one in progress), progressively advancing from the inner Solar System to outer Solar System deep space. The following details each mission phase in chronological order.</p>
<h3 id="inner-solar-system-exploration-1">Inner Solar System Exploration Mission 1 (2055-03-20 to 2056-04-12)</h3>
<figure class="thumb tright"><div class="image-placeholder">ST-01 Mercury and Venus exploration artist's impression placeholder</div><figcaption class="thumbcaption">The Inner Solar System Exploration Mission was Wanxingyuan's maiden voyage and the first time in human history that a single mothership visited both Mercury and Venus in a single mission.</figcaption></figure>
<p>On 2055-03-20, Wanxingyuan departed Earth in a crewed configuration for its first operational mission -- Inner Solar System Exploration Mission 1. The mission's objective was to validate lightspeed engine performance in the high-energy inner Solar System environment and conduct scientific surveys of Mercury and Venus.</p>
<p>Mission Phase 1: Wanxingyuan departed Earth with a 180 km/s injection (FAST TRANSFER trajectory), completing the heliocentric transfer to Venus in approximately 35 days and arriving at Venus orbit on 2055-04-24. Approximately 60 days of atmospheric sounding and orbital remote sensing were conducted at Venus (2055-04-24 to 2055-06-23). Wanxingyuan then executed a Venus-to-Mercury transfer using the lightspeed engine, arriving at Mercury orbit on 2055-07-10. Approximately 45 days of surface remote sensing and solar-wind environment measurements were conducted at Mercury (2055-07-10 to 2055-08-24).</p>
<p>Following Mercury operations, Wanxingyuan departed Mercury orbit on 2055-08-24 for the return to Earth. Due to Mercury's proximity to the Sun, Wanxingyuan leveraged the lightspeed engine's high efficiency to execute multiple deep-space maneuvers in the strong solar gravity field, completing the approximately 230-day return voyage and arriving at Earth on 2056-04-12. This mission irrefutably proved that the lightspeed engine could operate reliably in the extreme thermal and strong gravity conditions of the inner Solar System, and that a Stellaria-class mothership could efficiently visit multiple inner-planet targets in a single mission.</p>
<table>
<thead><tr><th>Phase</th><th>Start</th><th>End</th><th>Duration</th></tr></thead>
<tbody>
<tr><td>Earth-Venus transfer</td><td>2055-03-20</td><td>2055-04-24</td><td>~35 days</td></tr>
<tr><td>Venus operations</td><td>2055-04-24</td><td>2055-06-23</td><td>~60 days</td></tr>
<tr><td>Venus-Mercury transfer</td><td>2055-06-23</td><td>2055-07-10</td><td>~17 days</td></tr>
<tr><td>Mercury operations</td><td>2055-07-10</td><td>2055-08-24</td><td>~45 days</td></tr>
<tr><td>Mercury-Earth return</td><td>2055-08-24</td><td>2056-04-12</td><td>~230 days</td></tr>
</tbody></table>
<h3 id="mars-one-construction-2">Mars One Construction Mission 2 (2056-06-02 to 2056-11-03)</h3>
<p>On 2056-06-02, Wanxingyuan departed Earth for Mars with a 135 km/s injection (STANDARD TRANSFER trajectory), arriving at Mars orbit on 2056-07-07 after approximately 35 days. The mission delivered construction materials and rotation crew to <a href="/home/Bases/Mars_One">Mars One Base</a>.</p>
<p>Mars surface operations ran from 2056-07-07 to 2056-09-25, totaling 80 days. During this period, Wanxingyuan's crew met the crew of <a href="/home/Exploration_Motherships/Xihe/XH-01">Xihe (XH-01)</a> -- then simultaneously operating at Mars -- on the Martian surface on 2056-09-17, completing humanity's first interplanetary crew handover in history. This historic moment marked the dawn of coordinated multi-mothership operations. With two motherships simultaneously present in the Mars system, the vessels completed the first inter-mothership cargo transfer and joint communications relay test.</p>
<p>For the return leg, Wanxingyuan departed Mars on 2056-09-25 with a 140 km/s injection, completing the approximately 39-day return voyage and arriving at Earth on 2056-11-03. The success of Mars One Construction Mission 2 further validated the Stellaria class's reliable delivery capability at Mars distance and the feasibility of multi-mothership coordinated operations.</p>
<h3 id="europa-outpost-construction-1">Europa Outpost Construction Mission 1 (2056-12-15 to 2057-12-20)</h3>
<p>On 2056-12-15, Wanxingyuan departed Earth with a 195 km/s injection (FAST TRANSFER trajectory) bound for the Jovian system. This was the first Stellaria-class mission beyond Mars orbit into the outer Solar System, and the first operational test of the lightspeed engine on a long-distance interplanetary voyage. After approximately 55 days of cruise, Wanxingyuan arrived at the Jovian system on 2057-02-08.</p>
<p>Wanxingyuan spent approximately 285 days in the Jovian system (2057-02-08 to 2057-11-20), executing the initial construction phase of <a href="/home/Bases/Europa_Research_Outpost">Europa Research Outpost</a>:</p>
<ul>
<li><b>Outpost core module delivery</b>: Wanxingyuan used its forward main docking interface to tow large modules to Europa orbit, with carried Echo shuttles completing terminal landing and mating.</li>
<li><b>Subsurface ocean sounding</b>: Deployed penetrating radar and seismic sensor networks, obtaining data on Europa's ice shell thickness and subsurface ocean structure.</li>
<li><b>Radiation environment assessment</b>: Measured radiation levels at multiple candidate surface sites on Europa, providing design inputs for outpost radiation shielding.</li>
<li><b>Life-support system pre-installation</b>: Power bus routing and fluid plumbing integration for the outpost's initial life-support modules.</li>
</ul>
<p>On 2057-11-20, Wanxingyuan departed the Jovian system for the return voyage with a 190 km/s injection. Thanks to favorable planetary alignment, the return transit took approximately 30 days, arriving at Earth on 2057-12-20. This mission irrefutably proved that the Stellaria-class mothership was capable of executing long-duration infrastructure construction missions in the outer Solar System, and that the lightspeed engine maintained stable operation in Jupiter's intense radiation environment. The year-long expedition duration provided invaluable physiological and psychological data on crew endurance during extended deep-space habitation.</p>
<h3 id="maintenance-and-upgrades_2058">Maintenance and Upgrades (2058-01-05 to 2058-05-15)</h3>
<figure class="thumb tright"><div class="image-placeholder">ST-01 2058 upgrade示意图 placeholder -- addition of second artificial gravity ring</div><figcaption class="thumbcaption">The 2058 upgrade added a second artificial-gravity habitation ring to Wanxingyuan, substantially improving crew quality of life and mission resilience for long-duration missions.</figcaption></figure>
<p>Following completion of the Europa Outpost construction mission, Wanxingyuan began a 130-day maintenance and upgrade cycle at Star Port Station on 2058-01-05. This was the ship's first major upgrade since entering service, with core projects including:</p>
<ul>
<li><b>Addition of a second artificial-gravity habitation ring</b>: A second 30 m diameter rotating habitation ring was installed amidships, forming a dual-ring configuration with the original ring. The two rings operate at different rotation rates, providing approximately 0.4 g and 0.6 g respectively, offering the crew a gradient gravity adaptation environment.</li>
<li><b>Greenhouse module comprehensive upgrade</b>: Hydroponic system upgraded from single-zone to multi-zone rotational cultivation, with automated environmental control and disease monitoring added; nutrient-loop efficiency improved by approximately 40%. The upgraded greenhouse supports longer-duration missions with reduced reliance on resupply.</li>
<li><b>Life-support system upgrade</b>: Closed-loop water recovery rate raised above 97%; atmospheric regeneration catalytic units replaced with next-generation high-efficiency components; redundant oxygen generation units added.</li>
<li><b>Lightspeed engine routine servicing</b>: Thrust vector calibration, magnetic confinement field coil inspection, and cooling loop comprehensive flushing.</li>
</ul>
<p>This maintenance cycle significantly enhanced Wanxingyuan's mission endurance, thoroughly preparing the ship for the upcoming Saturn expedition. The dual artificial-gravity ring configuration made Wanxingyuan the only active mothership at that time with multi-gradient artificial gravity capability.</p>
<h3 id="saturn-exploration-1">Saturn Exploration Mission 1 (2058-06-01 to 2059-11-24)</h3>
<p>On 2058-06-01, the upgraded Wanxingyuan departed Earth with a 210 km/s injection (FAST TRANSFER trajectory, leveraging lightspeed engine high efficiency) bound for the Saturn system. This was humanity's first crewed Saturn mission. After approximately 70 days of interplanetary cruise, Wanxingyuan arrived at the Saturn system on 2058-08-10.</p>
<p>Wanxingyuan spent approximately 415 days in the Saturn system (2058-08-10 to 2059-09-29), executing multi-target exploration with a focus on Titan:</p>
<ul>
<li><b>Titan surface operations</b> (2058-08-10 to 2059-05-01): Wanxingyuan remained in high Titan orbit while carried Echo shuttles executed multiple surface descents and sampling runs. Key research focused on Titan's methane seas, atmospheric chemistry, and surface geology. The crew deployed automated weather stations and seismic monitoring networks on Titan's surface.</li>
<li><b>Saturn ring transit sounding</b> (May 2059): Wanxingyuan traversed the outer edge of Saturn's rings at low relative velocity, using its onboard sensor array to conduct close-range in-situ measurements of ring particle composition, density distribution, and dynamical characteristics. This was the first crewed transit of a planetary ring structure by a human spacecraft.</li>
<li><b>Enceladus plume sampling</b> (June-July 2059): Carried probes flew through Enceladus's southern polar plumes, collecting ejecta samples for analysis of subsurface ocean chemistry and potential biomarkers.</li>
</ul>
<p>On 2059-09-29, Wanxingyuan departed the Saturn system for return. This return voyage was the first validation of lightspeed engine cold-restart performance after extremely long-duration cruise. With a 205 km/s injection, the return transit took approximately 56 days (benefiting from the lightspeed engine's high specific impulse and favorable planetary alignment), arriving at Earth and docking at Star Port Station on 2059-11-24. The success of Saturn Exploration Mission 1 extended the frontier of crewed deep-space exploration from the Jovian system further outward to the Saturn system, and accumulated critical outer Solar System long-duration operational experience for the subsequent Neptune mission.</p>
<table>
<thead><tr><th>Phase</th><th>Start</th><th>End</th><th>Duration</th></tr></thead>
<tbody>
<tr><td>Earth-Saturn transfer</td><td>2058-06-01</td><td>2058-08-10</td><td>~70 days</td></tr>
<tr><td>Saturn system ops (incl. Titan)</td><td>2058-08-10</td><td>2059-09-29</td><td>~415 days</td></tr>
<tr><td>Saturn-Earth return</td><td>2059-09-29</td><td>2059-11-24</td><td>~56 days</td></tr>
</tbody></table>
<h3 id="star-port-full-upgrade">Star Port Full Upgrade (2059-11-25 to 2060-02-10)</h3>
<p>On 2059-11-25, immediately upon completing the Saturn mission, Wanxingyuan entered a comprehensive upgrade phase at Star Port Station. This 77-day upgrade was the largest and most thorough transformation in the ship's service history -- its objective was to upgrade the "Xihe-class hull + Stellaria-class propulsion core" hybrid platform into a complete Stellaria-class specification mothership.</p>
<p>Core upgrade projects included:</p>
<ul>
<li><b>Central extension section installation</b>: A Stellaria-standard central extension section was inserted between the command center and habitation modules, providing additional laboratory space, cryo-sleep chambers, and redundant life-support units.</li>
<li><b>Radiation protection comprehensive reinforcement</b>: Dual-layer composite shielding was installed in all crew-occupied zones, bringing radiation protection to Stellaria-class deep-space standards.</li>
<li><b>Cryo-sleep chamber deployment</b>: Twelve cryo-sleep chambers were installed in the central extension section and habitation modules to support crew rotation hibernation during ultra-long-duration missions.</li>
<li><b>Command center comprehensive refit</b>: Navigation computers, communications equipment, and mission planning systems were replaced with the latest Stellaria-class standards, integrating deep autonomous navigation with lightspeed engine thrust models.</li>
<li><b>Docking system standardization</b>: All forward and lateral docking interfaces were upgraded to Stellaria-class standard quick-release interfaces, compatible with next-generation Stellaria-class carried vehicles.</li>
<li><b>Structural integrity inspection</b>: A full-range non-destructive inspection of the hull structure assessed the fatigue state of the original Xihe-class frame after 9 years of service.</li>
</ul>
<p>On 2060-02-10, the upgrade was completed. At this point, Wanxingyuan had achieved a thorough transformation from "lightspeed engine verification platform" to "complete Stellaria-class deep-space mothership." The upgraded vessel measures approximately 125 m in overall length, features dual artificial-gravity rings, a central extension section, cryo-sleep chambers, and complete Stellaria-class life-support and mission systems -- fully meeting Stellaria-class specifications.</p>
<h3 id="outer-solar-system-exploration-1">Outer Solar System Exploration Mission 1 (2060-02-11 -- ongoing)</h3>
<p>On 2060-02-11 -- the day after upgrade completion -- Wanxingyuan departed Earth in full Stellaria-class specification, executing Outer Solar System Exploration Mission 1 with Neptune as its destination. This is humanity's first crewed Neptune mission and the farthest crewed deep-space flight ever undertaken at that time.</p>
<p>Wanxingyuan injected into heliocentric transfer orbit with a 240 km/s burn (FAST TRANSFER trajectory). Benefiting from the full Stellaria-class lightspeed engine's exceptional performance and the dual-ring artificial gravity's support for long-duration crew health, the transit is estimated at approximately 200 days, with arrival at the Neptune system expected around late August 2060. The mission plan encompasses:</p>
<ul>
<li>Neptune atmospheric remote sensing and magnetic field mapping</li>
<li>Triton surface exploration -- one of the coldest bodies in the Solar System, whose retrograde orbit and possible subsurface ocean hold exceptional scientific value</li>
<li>Neptune ring system close-range observation</li>
<li>Autonomous mission operations validation under extreme deep-space communications delay conditions</li>
</ul>
<p>As of March 2060, Wanxingyuan is on its heliocentric transfer trajectory to Neptune, with all systems operating nominally and the entire crew in good condition. Data from this mission will provide irreplaceable operational experience and technical validation for humanity's exploration of farther outer Solar System bodies and ultimately the Kuiper Belt.</p>
<h2 id="specifications">Specifications</h2>
<table>
<thead><tr><th>Parameter</th><th>Value</th></tr></thead>
<tbody>
<tr><td>Ship name</td><td>Wanxingyuan / Stellaria (ST-01)</td></tr>
<tr><td>Class</td><td>Stellaria-class interplanetary exploration mothership</td></tr>
<tr><td>Type</td><td>Crewed interplanetary exploration mothership</td></tr>
<tr><td>Configuration</td><td>Axial-spine multi-module cylindrical layout (with central extension section)</td></tr>
<tr><td>Length</td><td>Approximately 125 m (post-2059 upgrade)</td></tr>
<tr><td>Maximum diameter</td><td>30 m (dual artificial-gravity habitation rings, each 30 m diameter)</td></tr>
<tr><td>Primary propulsion</td><td>Lightspeed engine (Stellaria-class standard)</td></tr>
<tr><td>Backup propulsion</td><td>Perseverance mass-driver propulsion system (Xihe-class standard)</td></tr>
<tr><td>Main reactor</td><td>Ark cold-fusion reactor, enhanced output class</td></tr>
<tr><td>Full-load delta-v</td><td>Approximately 3,500 km/s with 500 t payload (lightspeed engine)</td></tr>
<tr><td>Maximum payload</td><td>500 t (including surface vehicles and supplies)</td></tr>
<tr><td>Towing capacity</td><td>Forward main docking interface ~300 t; lateral interfaces ~150 t class</td></tr>
<tr><td>Long-duration crew</td><td>25</td></tr>
<tr><td>Short-duration crew</td><td>50</td></tr>
<tr><td>Cryo-sleep chambers</td><td>12 (post-2059 upgrade)</td></tr>
<tr><td>Artificial gravity</td><td>Dual-ring adjustable, approximately 0.4 g to 0.6 g (dual habitation rings)</td></tr>
<tr><td>Typical carried vehicles</td><td>Two Echo shuttles (or compatible ferry craft)</td></tr>
<tr><td>Construction start (original)</td><td>2050-09-15</td></tr>
<tr><td>Construction halted</td><td>2053-02-02</td></tr>
<tr><td>Reconfiguration start</td><td>2053-05-11</td></tr>
<tr><td>Reconfiguration complete</td><td>2054-04-28</td></tr>
<tr><td>Trial run</td><td>2054-05-12 to 2054-08-22</td></tr>
<tr><td>Deep space test</td><td>2054-09-07 to 2054-11-28</td></tr>
<tr><td>Entered service</td><td>March 2055</td></tr>
<tr><td>Full Stellaria-class upgrade</td><td>2059-11-25 to 2060-02-10</td></tr>
<tr><td>Home port</td><td>Star Port Station</td></tr>
<tr><td>Current status</td><td>Active (Outer Solar System Exploration Mission 1, en route to Neptune)</td></tr>
</tbody></table>
<h2 id="see-also">See also</h2>
<ul>
<li><a href="/home/Exploration_Motherships/Stellaria">Stellaria-class interplanetary exploration mothership</a></li>
<li><a href="/home/Exploration_Motherships/Stellaria/ST-02">Kristen (ST-02)</a></li>
<li><a href="/home/Exploration_Motherships/Xihe">Xihe-class interplanetary exploration mothership</a></li>
<li><a href="/home/Exploration_Motherships/Xihe/XH-01">Xihe (XH-01)</a></li>
<li><a href="/home/Space_Shuttles/Echo_Shuttle">Echo Shuttle</a></li>
<li><a href="/home/Space_Shuttles/Vulture_Shuttle">Vulture Shuttle</a></li>
<li><a href="/home/Stations/Star_Port_Station">Star Port Station</a></li>
<li><a href="/home/Cargo_Ships/Qingtian">Qingtian cargo ship</a></li>
<li><a href="/home/Bases/Mars_One">Mars One Base</a></li>
<li><a href="/home/Bases/Europa_Research_Outpost">Europa Research Outpost</a></li>
</ul>
</article>
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<h1 id="万星源号ST01">万星源号（ST-01）</h1>
<table class="infobox">
<caption>万星源号<span>ST-01 Wanxingyuan</span></caption>
<tbody>
<tr><td><div class="image-placeholder">万星源号侧视图占位（万星源级首舰，双人工重力环构型）</div><div class="thumbcaption">万星源号是万星源级星际探索母舰的首舰，最初作为羲和级基础母舰于 2050 年开始建造，后于 2053 年重新配置为万星源级首舰。</div></td></tr>
<tr><td><b>舰名</b>：万星源号（ST-01）</td></tr>
<tr><td><b>舰级</b>：<a href="/home/Exploration_Motherships/Stellaria">万星源级</a>星际探索母舰</td></tr>
<tr><td><b>原始建造开始</b>：2050 年 9 月 15 日</td></tr>
<tr><td><b>建造暂停</b>：2053 年 2 月 2 日</td></tr>
<tr><td><b>重新配置开始</b>：2053 年 5 月 11 日</td></tr>
<tr><td><b>重新配置完成</b>：2054 年 4 月 28 日</td></tr>
<tr><td><b>试运行</b>：2054 年 5 月 12 日 至 2054 年 8 月 22 日</td></tr>
<tr><td><b>深空测试</b>：2054 年 9 月 7 日 至 2054 年 11 月 28 日</td></tr>
<tr><td><b>服役前维护</b>：2054 年 12 月 1 日 至 2055 年 2 月 28 日</td></tr>
<tr><td><b>正式服役</b>：2055 年 3 月</td></tr>
<tr><td><b>万星源级完整升级</b>：2059 年 11 月 25 日 至 2060 年 2 月 10 日</td></tr>
<tr><td><b>当前状态</b>：现役（外太阳系探索任务 1，前往海王星途中）</td></tr>
<tr><td><b>初始建造方式</b>：<a href="/home/Space_Shuttles/Vulture_Shuttle">秃鹫航天飞机</a>近地轨道"轨道器接力"组装</td></tr>
<tr><td><b>重新配置方式</b>：<a href="/home/Cargo_Ships/Qingtian">擎天货运飞船</a> + <a href="/home/Stations/Star_Port_Station">星港空间站</a>船坞</td></tr>
<tr><td><b>母港</b>：星港空间站</td></tr>
</tbody></table>
<p><b>万星源号</b>（英语：<b>Wanxingyuan</b>，编号 <b>ST-01</b>）是<a href="/home/Exploration_Motherships/Stellaria">万星源级星际探索母舰</a>的首舰。该舰拥有独特的双重建造历史：最初作为<a href="/home/Exploration_Motherships/Xihe">羲和级</a>基础母舰于 2050 年 9 月开工，与<a href="/home/Exploration_Motherships/Xihe/XH-01">羲和号（XH-01）</a>的建造同步进行；在完成 871 天建造后于 2053 年 2 月暂停，随后移交至万星源计划并重新配置为万星源级首舰，于 2054 年 4 月完成重新配置。截至 2060 年 3 月，万星源号正在执行外太阳系探索任务 1，前往海王星途中。</p>
<p>万星源号是人类历史上第一艘配备光速引擎的载人深空母舰，也是第一艘执行水星、金星、土星和海王星任务的母舰。它在服役五年间累计完成了内太阳系探索（水星+金星）、火星建设、欧罗巴前哨站建设、土星探索等多项开创性任务。2059 年至 2060 年初在星港空间站完成的全面升级使其达到完整的万星源级规格，包括双人工重力居住环、中央扩展段、低温休眠舱和增强型辐射防护系统。</p>
<nav class="toc" aria-label="目录">
<div class="toc-title">目录</div>
<ol>
<li><a href="#设计概述">设计概述</a></li>
<li><a href="#建造过程">建造过程</a>
<ol>
<li><a href="#初始建造_羲和级基础母舰">初始建造：羲和级基础母舰（2050—2053）</a></li>
<li><a href="#重新配置_万星源级首舰">重新配置：万星源级首舰（2053—2054）</a></li>
</ol>
</li>
<li><a href="#测试与服役">测试与服役</a></li>
<li><a href="#运营历史">运营历史</a>
<ol>
<li><a href="#内太阳系探索任务1">内太阳系探索任务 1（2055—2056）</a></li>
<li><a href="#火星一号建设任务2">火星一号建设任务 2（2056）</a></li>
<li><a href="#欧罗巴前哨站建设任务1">欧罗巴前哨站建设任务 1（2056—2057）</a></li>
<li><a href="#维护与升级_2058">维护与升级（2058）</a></li>
<li><a href="#土星探索任务1">土星探索任务 1（2058—2059）</a></li>
<li><a href="#星港完整升级">星港完整升级（2059—2060）</a></li>
<li><a href="#外太阳系探索任务1">外太阳系探索任务 1（2060—进行中）</a></li>
</ol>
</li>
<li><a href="#技术参数">技术参数</a></li>
<li><a href="#相关条目">相关条目</a></li>
</ol>
</nav>
<h2 id="设计概述">设计概述</h2>
<p>万星源号是万星源级的首舰，采用纵向脊柱式多段圆柱构型，延续了羲和级已验证的轴向模块化布局，并在多个关键维度进行了扩展。经过 2059—2060 年星港全面升级后，全舰全长约 125 米，配备双人工重力居住环（直径各 30 米）、中央扩展段、温室模块、低温休眠舱和增强型辐射防护系统。推进系统以光速引擎为核心，由方舟冷核聚变反应堆提供动力，并保留"毅力"质量驱动推进系统作为备用推进手段。</p>
<p>万星源号不具备大气再入或行星表面着陆能力，地表往返与近天体短程运输依赖随舰携带的两艘<a href="/home/Space_Shuttles/Echo_Shuttle">回声级航天飞机</a>（或兼容摆渡载具）。舰上可容纳 25 名长期乘员（短期可达 50 人），双人工重力环以不同转速运行以提供约 0.4 g 至 0.6 g 的可调人工重力。温室模块采用多区轮作水培系统，可为长期任务提供稳定的食物补充与大气再生。低温休眠舱支持乘员在超长航程（如外行星任务）中降低代谢消耗。有关设计细节的完整说明，请参见<a href="/home/Exploration_Motherships/Stellaria">万星源级星际探索母舰</a>主页面。</p>
<figure class="thumb tright"><div class="image-placeholder">万星源号双环构型示意图占位</div><figcaption class="thumbcaption">万星源号在 2058 年升级后配备双人工重力居住环，加上中央扩展段，显著提升了长周期深空任务的乘员承载能力和任务弹性。</figcaption></figure>
<p>作为万星源级的首舰，万星源号兼具羲和级基础框架的"基因"和万星源级光速推进的核心能力。这种独特的混合起源使其在早期任务（2055—2058 年）中以羲和级标准系统运行光速引擎，在 2058 年维护中获得第二个人工重力环和温室升级，最终在 2059—2060 年星港升级中达到完整的万星源级规格。这一渐进演进路径为后续万星源级姊妹舰的设计提供了不可替代的运营数据。</p>
<h2 id="建造过程">建造过程</h2>
<h3 id="初始建造_羲和级基础母舰">初始建造：羲和级基础母舰（2050—2053）</h3>
<p>万星源号的前身是两艘与羲和号同步开工的"基础母舰"之一（另一艘后来成为<a href="/home/Exploration_Motherships/Stellaria/ST-02">ST-02 克里斯滕号</a>）。2050 年 9 月 15 日，首个模块由无人<a href="/home/Space_Shuttles/Vulture_Shuttle">秃鹫航天飞机</a>（Block 1）运抵近地轨道，开启了为期 871 天的初始建造。</p>
<p>建造采用与羲和号相同的"轨道器接力"方案：首飞由无人轨道器将首个模块送入轨道并留作组装平台，后续每次由载人轨道器运送新模块和组装人员，人员使用前次留在轨道上的轨道器作为操作基地。万星源号（当时尚无 ST 编号）的初始建造与羲和号在时间上高度重叠，秃鹫机队在 2050—2053 年间同时支撑两艘母舰的并行建造，运营强度达到历史峰值。</p>
<p>以下为初始建造阶段的主要发射记录：</p>
<table>
<thead><tr><th>序号</th><th>日期</th><th>任务</th><th>轨道器</th><th>主要模块</th><th>备注</th></tr></thead>
<tbody>
<tr><td>1</td><td>2050-09-15</td><td>VLT-456</td><td><a href="/home/Space_Shuttles/Vulture_Shuttle">耐心号（Patience）</a>（无人）</td><td>前部对接枢纽</td><td>轨道器留在轨道上，作为初始组装平台</td></tr>
<tr><td>2</td><td>2050-12-01</td><td>VLT-478</td><td><a href="/home/Space_Shuttles/Vulture_Shuttle">毅力号（Perseverance）</a>（载人）</td><td>指挥中心</td><td>人员以耐心号为操作基地；任务后乘耐心号返回</td></tr>
<tr><td>3</td><td>2051-03-15</td><td>VLT-503</td><td><a href="/home/Space_Shuttles/Vulture_Shuttle">忠诚号（Loyalty）</a>（载人）</td><td>静止居住模块</td><td>人员以毅力号留下的轨道器为基地</td></tr>
<tr><td>4</td><td>2051-06-01</td><td>VLT-530</td><td><a href="/home/Space_Shuttles/Vulture_Shuttle">决心号（Determination）</a>（载人）</td><td>中心对接枢纽 + 初始桁架段</td><td>—</td></tr>
<tr><td>5</td><td>2051-09-15</td><td>VLT-558</td><td><a href="/home/Space_Shuttles/Vulture_Shuttle">勇气号（Courage）</a>（载人）</td><td>温室模块</td><td>—</td></tr>
<tr><td>6</td><td>2051-12-01</td><td>VLT-581</td><td><a href="/home/Space_Shuttles/Vulture_Shuttle">耐力号（Endurance）</a>（载人）</td><td>主储藏模块</td><td>—</td></tr>
<tr><td>7</td><td>2052-03-15</td><td>VLT-607</td><td><a href="/home/Space_Shuttles/Vulture_Shuttle">勇气号（Courage）</a>（载人）</td><td>人工重力居住环 + 桁架延伸段</td><td>人工重力环超出秃鹫货舱限制的一部分由超重型火箭辅助发射</td></tr>
<tr><td>8</td><td>2052-06-01</td><td>VLT-632</td><td><a href="/home/Space_Shuttles/Vulture_Shuttle">决心号（Determination）</a>（载人）</td><td>推进模块基础结构</td><td>母舰自此具备自主电力和基础姿态控制</td></tr>
<tr><td>9</td><td>2052-09-15</td><td>VLT-650</td><td><a href="/home/Space_Shuttles/Vulture_Shuttle">耐心号（Patience）</a>（载人）</td><td>剩余桁架段 + 太阳能阵列</td><td>最后一次轨道器接力；此后建造工作直接在母舰上进行</td></tr>
</tbody></table>
<p>至 2053 年 2 月 2 日，初始建造完成 871 天。此时舰体已完成主体结构对接和大部分跨模块连接，但尚未安装主推进系统（羲和级"毅力"质量驱动推进系统尚未交付）。就在推进模块即将运抵之际，一项战略决策改变了这艘舰的命运：新兴的万星源计划提供了光速引擎这一革命性推进技术。继续将其建造成标准羲和级母舰将错失利用新技术的窗口。</p>
<p>建造于 2053 年 2 月 2 日正式暂停。3 个月后（2053 年 5 月 11 日），该舰体正式移交至万星源计划，进入重新配置阶段。另一艘基础母舰（未来 ST-02）也于 2053 年 2 月 10 日停工，随后同样移交。</p>
<h3 id="重新配置_万星源级首舰">重新配置：万星源级首舰（2053—2054）</h3>
<p>重新配置工作于 2053 年 5 月 11 日在<a href="/home/Stations/Star_Port_Station">星港空间站</a>启动，历时 352 天，于 2054 年 4 月 28 日完成。在此期间，舰体原有的羲和级推进模块基座被替换为兼容光速引擎的接口，光速引擎核心组件由<a href="/home/Cargo_Ships/Qingtian">擎天货运飞船</a>（近地轨道上行能力约 150 吨）分批运抵星港并完成在轨安装和静态测试。</p>
<p>需要特别强调的是，此次重新配置的核心变更是将羲和级的"毅力"质量驱动推进系统替换为光速引擎——其余系统（包括指挥中心、居住模块、温室、对接口和生命保障系统）均保持羲和级标准。换言之，万星源号在 2054 年重新配置完成时本质上是一艘"羲和级舰体 + 万星源级推进核心"的混合平台。这一定位贯穿了其 2055—2058 年的初期运营，直至 2059—2060 年星港升级才达到完整的万星源级规格。</p>
<table>
<thead><tr><th>阶段</th><th>开始</th><th>结束</th><th>持续</th><th>主要内容</th></tr></thead>
<tbody>
<tr><td>初始建造（羲和级基础母舰）</td><td>2050-09-15</td><td>2053-02-02</td><td>871 天</td><td>秃鹫航天飞机轨道器接力，主体结构对接与跨模块连接</td></tr>
<tr><td>建造暂停</td><td>2053-02-02</td><td>2053-05-11</td><td>98 天</td><td>战略决策与移交准备</td></tr>
<tr><td>重新配置（万星源级首舰）</td><td>2053-05-11</td><td>2054-04-28</td><td>352 天</td><td>擎天货运飞船运输，光速引擎安装与静态测试</td></tr>
<tr><td>总计</td><td>2050-09-15</td><td>2054-04-28</td><td>1,321 天</td><td>从首个模块运抵到重新配置完成</td></tr>
</tbody></table>
<h2 id="测试与服役">测试与服役</h2>
<p>重新配置完成后，万星源号进入测试与服役准备阶段，分为三个阶段：</p>
<p><b>试运行</b>（2054 年 5 月 12 日至 8 月 22 日，102 天）：在月球轨道进行。这是光速引擎首次在实际太空环境中接受系统性验证。测试覆盖了光速引擎低功率点火、推进系统与羲和级电源总线的兼容性验证、指挥中心对新型推进控制界面的适配测试，以及人工重力居住环在光速引擎振动环境下的动平衡测试。月球轨道往返提供了比近地轨道更接近深空任务实际的重力环境和通信延迟条件。</p>
<p><b>深空测试</b>（2054 年 9 月 7 日至 11 月 28 日，82 天）：万星源号以无人状态前往日地 L2 拉格朗日点，执行光速引擎的首次深空自主飞行验证。任务验证了光速引擎在持续高功率输出下的热控稳定性、长时间自主导航系统中的光速引擎推力模型集成、以及全舰系统在光速级速度增量下的结构响应。这是人类历史上首次在日地 L2 距离使用光速引擎执行机动。</p>
<p><b>服役前维护</b>（2054 年 12 月 1 日至 2055 年 2 月 28 日，89 天）：深空测试结束后，万星源号返回近地轨道停靠星港空间站，工程技术团队根据试运行和深空测试数据进行了系统优化。重点包括光速引擎推力矢量校准精调、推进控制冗余回路升级、指挥中心导航计算机软件更新和生命保障系统流量重新匹配（以适应光速引擎更高的功率波动水平）。</p>
<p>2055 年 3 月，万星源号正式服役，成为人类历史上第一艘投入使用的光速引擎载人深空母舰。</p>
<h2 id="运营历史">运营历史</h2>
<p>万星源号自 2055 年 3 月服役以来，已执行六次主要任务（含一次正在执行中的任务），从内太阳系逐步推进至外太阳系深空。以下按时间顺序详述各任务阶段。</p>
<h3 id="内太阳系探索任务1">内太阳系探索任务 1（2055 年 3 月 20 日至 2056 年 4 月 12 日）</h3>
<figure class="thumb tright"><div class="image-placeholder">万星源号水星与金星探测艺术效果图占位</div><figcaption class="thumbcaption">内太阳系探索任务是万星源号的首航，也是人类历史上首次由单艘母舰在单次任务中连续造访水星和金星两颗内行星。</figcaption></figure>
<p>2055 年 3 月 20 日，万星源号以载人状态从地球出发，执行其服役后的首次任务——内太阳系探索任务 1。此任务的目标是验证光速引擎在内太阳系高能环境中的性能，并对水星和金星进行科学考察。</p>
<p>任务第一阶段：万星源号以 180 km/s 的速度增量（快速转移剖面）从地球出发，经约 35 天日心转移，于 2055 年 4 月 24 日抵达金星轨道。在金星进行了为期约 60 天的大气探测和轨道遥感作业（2055 年 4 月 24 日至 6 月 23 日）。随后万星源号从金星出发，以光速引擎执行金星-水星转移，于 2055 年 7 月 10 日抵达水星轨道。在水星进行了为期约 45 天的表面遥感和太阳风环境测量（2055 年 7 月 10 日至 8 月 24 日）。</p>
<p>水星任务结束后，万星源号于 2055 年 8 月 24 日从水星轨道出发返回地球。由于水星靠近太阳，万星源号利用光速引擎的高效率在强太阳引力场中执行了多次深空机动，经约 230 天返回航程，于 2056 年 4 月 12 日抵达地球。此次任务无可辩驳地证明：光速引擎在内太阳系极端热环境和强引力场条件下具备可靠运行能力，万星源级母舰可以在单次任务中高效造访多个内行星目标。</p>
<table>
<thead><tr><th>阶段</th><th>开始</th><th>结束</th><th>持续</th></tr></thead>
<tbody>
<tr><td>地球-金星转移</td><td>2055-03-20</td><td>2055-04-24</td><td>约 35 天</td></tr>
<tr><td>金星作业</td><td>2055-04-24</td><td>2055-06-23</td><td>约 60 天</td></tr>
<tr><td>金星-水星转移</td><td>2055-06-23</td><td>2055-07-10</td><td>约 17 天</td></tr>
<tr><td>水星作业</td><td>2055-07-10</td><td>2055-08-24</td><td>约 45 天</td></tr>
<tr><td>水星-地球返航</td><td>2055-08-24</td><td>2056-04-12</td><td>约 230 天</td></tr>
</tbody></table>
<h3 id="火星一号建设任务2">火星一号建设任务 2（2056 年 6 月 2 日至 2056 年 11 月 3 日）</h3>
<p>2056 年 6 月 2 日，万星源号以 135 km/s 速度增量（标准转移剖面）从地球出发前往火星，经约 35 天航程于 2056 年 7 月 7 日抵达火星轨道。此次任务为<a href="/home/Bases/Mars_One">火星一号基地</a>运送建设物资和轮换人员。</p>
<p>火星表面作业从 2056 年 7 月 7 日持续至 2056 年 9 月 25 日，共计 80 天。期间万星源号乘员与同期在火星执行任务的<a href="/home/Exploration_Motherships/Xihe/XH-01">羲和号（XH-01）</a>乘员于 2056 年 9 月 17 日在火星表面完成了人类历史上首次行星际人员交接——这一历史性时刻标志着多母舰协同运营时代的正式来临。两艘母舰同时位于火星系统，完成了首次母舰间物资转运和通信中继联合测试。</p>
<p>返航阶段，万星源号于 2056 年 9 月 25 日从火星出发，以 140 km/s 速度增量进入返回转移轨道，经约 39 天航程于 2056 年 11 月 3 日抵达地球。火星一号建设任务 2 的成功进一步验证了万星源级母舰在火星距离上的可靠投送能力，以及多母舰协同运营的可行性。</p>
<h3 id="欧罗巴前哨站建设任务1">欧罗巴前哨站建设任务 1（2056 年 12 月 15 日至 2057 年 12 月 20 日）</h3>
<p>2056 年 12 月 15 日，万星源号以 195 km/s 速度增量（快速转移剖面）从地球出发，驶向木星系统。这是万星源级母舰首次超越火星轨道进入外太阳系，也是光速引擎在长距离行星际航行中的首次实战检验。经约 55 天航程，于 2057 年 2 月 8 日抵达木星系统。</p>
<p>万星源号在木星系统停留了约 285 天（2057 年 2 月 8 日至 11 月 20 日），执行了<a href="/home/Bases/Europa_Research_Outpost">欧罗巴研究前哨站</a>的初期建设工作：</p>
<ul>
<li><b>前哨站核心舱段投送</b>：万星源号利用前部主对接口拖曳大型舱段至欧罗巴轨道，由随舰回声级航天飞机完成末端着陆和对接。</li>
<li><b>冰下海洋探测</b>：部署穿透雷达和地震传感器网络，获取欧罗巴冰壳厚度和冰下海洋结构数据。</li>
<li><b>辐射环境评估</b>：在欧罗巴表面多个候选站点测量辐射水平，为前哨站辐射屏蔽方案提供设计依据。</li>
<li><b>生命保障系统预装</b>：前哨站初始生命保障模块的电力布线和流体管路贯通。</li>
</ul>
<p>2057 年 11 月 20 日，万星源号从木星系统启程返回，以 190 km/s 速度增量进入返航转移轨道，经约 30 天航程（得益于当时有利的行星排列），于 2057 年 12 月 20 日抵达地球。此次任务无可辩驳地证明：万星源级母舰具备在外太阳系执行长期基础设施建设任务的能力，光速引擎在木星强辐射环境中保持稳定运行。一年的远征周期为乘员长时间深空驻留的生理和心理数据采集提供了宝贵机会。</p>
<h3 id="维护与升级_2058">维护与升级（2058 年 1 月 5 日至 2058 年 5 月 15 日）</h3>
<figure class="thumb tright"><div class="image-placeholder">万星源号 2058 年升级示意图占位——新增第二人工重力环</div><figcaption class="thumbcaption">2058 年升级为万星源号新增了第二个人工重力居住环，大幅提升了长周期任务的乘员生活质量和任务弹性。</figcaption></figure>
<p>欧罗巴前哨站建设任务完成后，万星源号于 2058 年 1 月 5 日在星港空间站开始了为期 130 天的维护与升级。这是万星源号服役后的首次大规模升级，核心项目包括：</p>
<ul>
<li><b>新增第二人工重力居住环</b>：在舰体中段增加第二个直径 30 米的旋转居住环，与原有环形成双环配置。两个环以不同转速运行，分别提供约 0.4 g 和 0.6 g 的人工重力水平，为乘员提供梯度重力适应环境。</li>
<li><b>温室模块全面升级</b>：水培系统从单区种植升级为多区轮作，新增自动环境调控和病害监测系统，营养液循环效率提升约 40%。升级后的温室可支持更长时间不依赖补给的深空任务。</li>
<li><b>生命保障系统升级</b>：闭合回路水回收率提升至 97% 以上，大气再生催化装置更换为新一代高效组件，新增冗余氧气发生单元。</li>
<li><b>光速引擎例行检修</b>：推力矢量校准、磁约束场线圈检测和冷却回路全面冲洗。</li>
</ul>
<p>此次维护使万星源号的任务续航能力得到显著提升，为即将到来的土星远征做好了充分准备。双人工重力环的配置使万星源号成为当时唯一具备多梯度人工重力环境的现役母舰。</p>
<h3 id="土星探索任务1">土星探索任务 1（2058 年 6 月 1 日至 2059 年 11 月 24 日）</h3>
<p>2058 年 6 月 1 日，升级后的万星源号以 210 km/s 速度增量（快速转移剖面，利用光速引擎高效能）从地球出发，驶向土星系统。这是人类历史上首次载人土星任务。经约 70 天行星际航行，于 2058 年 8 月 10 日抵达土星系统。</p>
<p>万星源号在土星系统停留了约 415 天（2058 年 8 月 10 日至 2059 年 9 月 29 日），执行了以土卫六（Titan）为重点的多目标探测任务：</p>
<ul>
<li><b>土卫六表面作业</b>（2058 年 8 月 10 日至 2059 年 5 月 1 日）：万星源号保持在土卫六高轨，随舰回声级航天飞机执行多次表面下降和采样。重点研究土卫六的甲烷海洋、大气化学和表面地质。乘员在土卫六表面部署了自动气象站和地震监测网络。</li>
<li><b>土星环穿越探测</b>（2059 年 5 月）：万星源号以低相对速度穿越土星环外缘，利用舰载传感器阵列对环粒子的成分、密度分布和动力学特征进行了近距离原位测量。这是人类航天器首次载人穿越行星环结构。</li>
<li><b>土卫二羽流采样</b>（2059 年 6 月至 7 月）：随舰探测器飞越土卫二南极羽流，采集喷出物样本用于分析地下海洋的化学成分和潜在生物标志物。</li>
</ul>
<p>2059 年 9 月 29 日，万星源号从土星系统启程返回。此次返航首次验证了光速引擎在极端长时间巡航后的冷重启性能。以 205 km/s 速度增量进入转移轨道，经约 56 天航程（得益于光速引擎的高比冲和有利的行星排列），于 2059 年 11 月 24 日抵达地球，停靠星港空间站。土星探索任务 1 的成功将载人深空探索的边界从木星系统进一步向外推进至土星系统，并为后续海王星任务积累了关键的外太阳系长周期运营经验。</p>
<table>
<thead><tr><th>阶段</th><th>开始</th><th>结束</th><th>持续</th></tr></thead>
<tbody>
<tr><td>地球-土星转移</td><td>2058-06-01</td><td>2058-08-10</td><td>约 70 天</td></tr>
<tr><td>土星系统作业（含土卫六）</td><td>2058-08-10</td><td>2059-09-29</td><td>约 415 天</td></tr>
<tr><td>土星-地球返航</td><td>2059-09-29</td><td>2059-11-24</td><td>约 56 天</td></tr>
</tbody></table>
<h3 id="星港完整升级">星港完整升级（2059 年 11 月 25 日至 2060 年 2 月 10 日）</h3>
<p>2059 年 11 月 25 日，完成土星任务的万星源号立即进入星港空间站的全面升级阶段。此次升级历时 77 天，是万星源号服役以来规模最大、变化最彻底的一次改造——目标是将这艘"羲和级舰体 + 万星源级推进核心"混合平台升级为完整的万星源级规格母舰。</p>
<p>核心升级项目包括：</p>
<ul>
<li><b>中央扩展段安装</b>：在指挥中心与居住模块之间插入万星源级标准的中央扩展段，提供额外的实验室空间、低温休眠舱和冗余生命保障单元。</li>
<li><b>辐射防护全面强化</b>：在全部乘员活动区域加装双层复合屏蔽，辐射防护能力达到万星源级深空标准。</li>
<li><b>低温休眠舱部署</b>：在中央扩展段和居住模块内安装 12 个低温休眠舱，支持超长航程任务中的乘员轮换休眠。</li>
<li><b>指挥中心全面换装</b>：导航计算机、通信设备和任务规划系统更换为万星源级最新标准，整合光速引擎推力模型的深度自主导航能力。</li>
<li><b>对接系统标准化</b>：前部对接口和侧向对接口全部升级为万星源级标准快拆接口，兼容新一代万星源级随舰载具。</li>
<li><b>结构完整检验</b>：对舰体结构进行全范围无损检测，评估羲和级原始框架经过 9 年服役后的疲劳状态。</li>
</ul>
<p>2060 年 2 月 10 日，升级完成。至此，万星源号实现了从"光速引擎验证平台"到"完整万星源级深空母舰"的彻底转变。升级后的万星源号全长约 125 米，配备双人工重力环、中央扩展段、低温休眠舱和完整的万星源级生命保障与任务系统，完全达到万星源级规格。</p>
<h3 id="外太阳系探索任务1">外太阳系探索任务 1（2060 年 2 月 11 日 → 进行中）</h3>
<p>2060 年 2 月 11 日——升级完成的次日——万星源号以完整万星源级规格从地球出发，执行外太阳系探索任务 1，目标直指海王星（Neptune）。这是人类历史上首次载人海王星任务，也是当时航程最远的载人深空飞行。</p>
<p>万星源号以 240 km/s 速度增量（快速转移剖面）进入日心转移轨道。得益于完整万星源级光速引擎的卓越性能和双环人工重力对乘员长期健康的支持，预计航程约 200 天，计划于 2060 年 8 月底前后抵达海王星系统。任务规划包括：</p>
<ul>
<li>海王星大气遥感与磁场测绘</li>
<li>海卫一（Triton）表面探测——这是太阳系中最冷的天体之一，其逆向轨道和可能的地下海洋具有极高的科学价值</li>
<li>海王星环系统近距离观测</li>
<li>深空通信延迟极限条件下的自主任务操作验证</li>
</ul>
<p>截至 2060 年 3 月，万星源号正在前往海王星的日心转移轨道上，各系统运行正常，全体乘员状态良好。此次任务的数据将为人类探索更远的外太阳系天体乃至柯伊伯带提供无可替代的运营经验和技术验证。</p>
<h2 id="技术参数">技术参数</h2>
<table>
<thead><tr><th>项目</th><th>数据</th></tr></thead>
<tbody>
<tr><td>舰名</td><td>万星源号（ST-01）</td></tr>
<tr><td>舰级</td><td>万星源级星际探索母舰</td></tr>
<tr><td>类型</td><td>载人星际探索母舰</td></tr>
<tr><td>总体构型</td><td>纵向脊柱式多段圆柱构型（含中央扩展段）</td></tr>
<tr><td>全长</td><td>约 125 米（2059 年升级后）</td></tr>
<tr><td>最大直径</td><td>30 米（双人工重力居住环，各直径 30 米）</td></tr>
<tr><td>主推进系统</td><td>光速引擎（万星源级标准）</td></tr>
<tr><td>备用推进系统</td><td>"毅力"质量驱动推进系统（羲和级标准）</td></tr>
<tr><td>主反应堆</td><td>方舟冷核聚变反应堆，增强型输出级别</td></tr>
<tr><td>满载速度增量</td><td>约 3,500 km/s（含 500 吨有效载荷，光速引擎）</td></tr>
<tr><td>最大有效载荷</td><td>500 吨（含行星表面载具与补给）</td></tr>
<tr><td>拖曳能力</td><td>前部主对接口约 300 吨；侧向对接口约 150 吨级</td></tr>
<tr><td>长期乘员</td><td>25 人</td></tr>
<tr><td>短期乘员</td><td>50 人</td></tr>
<tr><td>低温休眠舱</td><td>12 个（2059 年升级后）</td></tr>
<tr><td>人工重力</td><td>双环可调，约 0.4 g 至 0.6 g（双人工重力环）</td></tr>
<tr><td>典型随舰载具</td><td>2 艘回声级航天飞机（或兼容摆渡载具）</td></tr>
<tr><td>建造开始（原始）</td><td>2050 年 9 月 15 日</td></tr>
<tr><td>建造暂停</td><td>2053 年 2 月 2 日</td></tr>
<tr><td>重新配置开始</td><td>2053 年 5 月 11 日</td></tr>
<tr><td>重新配置完成</td><td>2054 年 4 月 28 日</td></tr>
<tr><td>试运行</td><td>2054 年 5 月 12 日 至 2054 年 8 月 22 日</td></tr>
<tr><td>深空测试</td><td>2054 年 9 月 7 日 至 2054 年 11 月 28 日</td></tr>
<tr><td>正式服役</td><td>2055 年 3 月</td></tr>
<tr><td>万星源级完整升级</td><td>2059 年 11 月 25 日 至 2060 年 2 月 10 日</td></tr>
<tr><td>母港</td><td>星港空间站</td></tr>
<tr><td>当前状态</td><td>现役（外太阳系探索任务 1，前往海王星途中）</td></tr>
</tbody></table>
<h2 id="相关条目">相关条目</h2>
<ul>
<li><a href="/home/Exploration_Motherships/Stellaria">万星源级星际探索母舰</a></li>
<li><a href="/home/Exploration_Motherships/Stellaria/ST-02">克里斯滕号（ST-02）</a></li>
<li><a href="/home/Exploration_Motherships/Xihe">羲和级星际探索母舰</a></li>
<li><a href="/home/Exploration_Motherships/Xihe/XH-01">羲和号（XH-01）</a></li>
<li><a href="/home/Space_Shuttles/Echo_Shuttle">回声级航天飞机</a></li>
<li><a href="/home/Space_Shuttles/Vulture_Shuttle">秃鹫航天飞机</a></li>
<li><a href="/home/Stations/Star_Port_Station">星港空间站</a></li>
<li><a href="/home/Cargo_Ships/Qingtian">擎天货运飞船</a></li>
<li><a href="/home/Bases/Mars_One">火星一号基地</a></li>
<li><a href="/home/Bases/Europa_Research_Outpost">欧罗巴研究前哨站</a></li>
</ul>
</article>
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<h1 id="kristen-st02">Kristen (ST-02)</h1>
<table class="infobox">
<caption>Kristen<span>ST-02</span></caption>
<tbody>
<tr><td><div class="image-placeholder">ST-02 Kristen side-view image placeholder (Stellaria-class second ship, Xihe-standard configuration)</div><div class="thumbcaption">Kristen is the second Stellaria-class ship, originally laid down as a Xihe-class base mothership in 2052 and reconfigured to Stellaria-class in 2053-2055.</div></td></tr>
<tr><td><b>Ship name</b>: Kristen (ST-02)</td></tr>
<tr><td><b>Class</b>: <a href="/home/Exploration_Motherships/Stellaria">Stellaria-class interplanetary exploration mothership</a></td></tr>
<tr><td><b>Original construction start</b>: 2052-01-14</td></tr>
<tr><td><b>Construction halted</b>: 2053-02-10</td></tr>
<tr><td><b>Reconfiguration start</b>: 2053-05-12</td></tr>
<tr><td><b>Reconfiguration complete</b>: 2055-10-13</td></tr>
<tr><td><b>Trial run</b>: 2055-10-13 to 2056-03-10</td></tr>
<tr><td><b>Deep space test</b>: 2056-03-10 to 2056-06-08</td></tr>
<tr><td><b>Pre-commissioning maintenance</b>: 2056-06-08 to 2056-11-19</td></tr>
<tr><td><b>Entered service</b>: November 2056</td></tr>
<tr><td><b>Full Stellaria-class upgrade</b>: Planned 2060-09-01 to 2061-06-30 (future)</td></tr>
<tr><td><b>Current status</b>: Active (Europa Expedition 2, Jovian system)</td></tr>
<tr><td><b>Initial construction method</b>: <a href="/home/Space_Shuttles/Vulture_Shuttle">Vulture Shuttle</a> LEO "orbiter relay" assembly</td></tr>
<tr><td><b>Reconfiguration method</b>: <a href="/home/Cargo_Ships/Qingtian">Qingtian cargo ship</a> + <a href="/home/Stations/Star_Port_Station">Star Port Station</a> dock</td></tr>
<tr><td><b>Home port</b>: Star Port Station</td></tr>
</tbody></table>
<p><b>Kristen</b> (designation <b>ST-02</b>, originally referred to as <b>Stellaria NEXT</b>) is the second ship of the <a href="/home/Exploration_Motherships/Stellaria">Stellaria-class interplanetary exploration mothership</a>. Like the lead ship <a href="/home/Exploration_Motherships/Stellaria/ST-01">Wanxingyuan (ST-01)</a>, Kristen has a dual-origin construction history: it was originally laid down as a <a href="/home/Exploration_Motherships/Xihe">Xihe-class</a> base mothership on 2052-01-14, built in parallel with Xihe and ST-01; after approximately 392 days of construction it was halted on 2053-02-10, subsequently transferred to the Stellaria Program and reconfigured. The reconfiguration phase lasted approximately 884 days (2053-05-12 to 2055-10-13) -- 2.5 times longer than ST-01's reconfiguration, reflecting the reality of resources being prioritized toward the lead ship.</p>
<p>As of March 2060, Kristen is in the Jovian system executing Europa Expedition 2. Over three and a half years of service it has completed one Mars expedition, one Europa Outpost construction mission, and one Europa expedition. Kristen is scheduled to undergo a full Stellaria-class upgrade at Star Port Station from September 2060 to June 2061, at which point it will gain dual artificial-gravity rings, a central extension section, cryo-sleep chambers, and complete Stellaria-class capabilities.</p>
<nav class="toc" aria-label="Contents">
<div class="toc-title">Contents</div>
<ol>
<li><a href="#design-overview">Design overview</a></li>
<li><a href="#construction">Construction</a>
<ol>
<li><a href="#initial-construction-xihe-class-base-mothership">Initial construction: Xihe-class base mothership (2052-2053)</a></li>
<li><a href="#reconfiguration-stellaria-class-second-ship">Reconfiguration: Stellaria-class second ship (2053-2055)</a></li>
</ol>
</li>
<li><a href="#testing-and-commissioning">Testing and commissioning</a></li>
<li><a href="#operational-history">Operational history</a>
<ol>
<li><a href="#mars-expedition-1">Mars Expedition 1 (2056-2057)</a></li>
<li><a href="#europa-outpost-construction-2">Europa Outpost Construction Mission 2 (2057-2058)</a></li>
<li><a href="#maintenance-and-upgrades_2058-2059">Maintenance and Upgrades (2058-2059)</a></li>
<li><a href="#europa-expedition-2">Europa Expedition 2 (2059-ongoing)</a></li>
<li><a href="#future-plans">Future plans: Full Stellaria-class upgrade (2060-2061)</a></li>
</ol>
</li>
<li><a href="#specifications">Specifications</a></li>
<li><a href="#see-also">See also</a></li>
</ol>
</nav>
<h2 id="design-overview">Design overview</h2>
<p>Kristen's current hull state is similar to ST-01's state during 2054-2058 -- essentially a hybrid platform of "Xihe-class hull + Stellaria-class propulsion core." The hull measures approximately 83.4 m in overall length with a maximum diameter of 25 m at the artificial-gravity habitation ring, with nine major modules arranged sequentially along the central axis: forward docking hub, command center, artificial-gravity habitation module, static habitation module, central docking hub, greenhouse module, main storage module, truss section, and propulsion module.</p>
<p>The key distinction from standard Xihe-class vessels is the propulsion system: Kristen's primary propulsion is the lightspeed engine (Stellaria-class standard), while all other systems -- including command center, habitation ring, living modules, greenhouse, docking interfaces, and life-support systems -- remain at Xihe-class standards. The ship is not capable of atmospheric re-entry or planetary landing; surface access is provided by two carried <a href="/home/Space_Shuttles/Echo_Shuttle">Echo shuttles</a>. The ship accommodates a long-duration crew of 15 (up to 30 short-duration), with the artificial-gravity habitation ring producing approximately 0.41 g at roughly 4 RPM. For a complete description of design details, see the main <a href="/home/Exploration_Motherships/Stellaria">Stellaria-class interplanetary exploration mothership</a> article.</p>
<p>The full Stellaria-class upgrade planned for September 2060 will add a second artificial-gravity habitation ring, a central extension section, cryo-sleep chambers, and enhanced radiation protection, extending overall length to approximately 125 m and achieving the same complete Stellaria-class specification as ST-01.</p>
<h2 id="construction">Construction</h2>
<h3 id="initial-construction-xihe-class-base-mothership">Initial construction: Xihe-class base mothership (2052-2053)</h3>
<p>Kristen's predecessor was the later-starting of the two "base motherships" laid down in parallel with Xihe (the other became ST-01). On 2052-01-14, the first module was delivered to LEO by an uncrewed <a href="/home/Space_Shuttles/Vulture_Shuttle">Vulture Shuttle</a>, initiating initial construction. As with XH-01 and ST-01, construction employed the "orbiter relay" method: an uncrewed orbiter on the first launch delivered the initial module and remained on orbit as the assembly platform, with subsequent crewed orbiters sequentially delivering new modules and relaying the platform role.</p>
<p>By 2053-02-10, Kristen's initial construction had accumulated approximately 392 days. At this point the hull had completed primary structural mating and most cross-module connections, but the main propulsion system had not yet been installed. Unlike ST-01, Kristen's initial construction period was shorter (392 days vs. 871 days) -- primarily because ST-01 as the first base mothership received more early construction resources, while Kristen started approximately 4 months later, resulting in it not having reached the same completion level as ST-01 when construction was halted in February 2053. Specifically, ST-01 had 9 major modules installed (missing only the propulsion system), whereas Kristen had approximately 6-7 modules completed. This initial completion gap partly explains the significantly longer subsequent reconfiguration period (884 days vs. 352 days) -- Kristen needed to first backfill the missing Xihe-standard modules, then install the lightspeed engine.</p>
<p>The following table records the key launches of the initial construction phase:</p>
<table>
<thead><tr><th>No.</th><th>Date</th><th>Mission</th><th>Orbiter</th><th>Primary module(s)</th><th>Notes</th></tr></thead>
<tbody>
<tr><td>1</td><td>2052-01-14</td><td>VLT-661</td><td><a href="/home/Space_Shuttles/Vulture_Shuttle">Loyalty</a> (uncrewed)</td><td>Forward docking hub + command center</td><td>Final Vulture Block 1 uncrewed first launch; orbiter remained as assembly platform</td></tr>
<tr><td>2</td><td>2052-04-01</td><td>VLT-685</td><td><a href="/home/Space_Shuttles/Vulture_Shuttle">Perseverance</a> (crewed)</td><td>Static habitation module + initial truss</td><td>--</td></tr>
<tr><td>3</td><td>2052-07-15</td><td>VLT-708</td><td><a href="/home/Space_Shuttles/Vulture_Shuttle">Courage</a> (crewed)</td><td>Central docking hub</td><td>--</td></tr>
<tr><td>4</td><td>2052-10-01</td><td>VLT-725</td><td><a href="/home/Space_Shuttles/Vulture_Shuttle">Determination</a> (crewed)</td><td>Greenhouse module</td><td>--</td></tr>
<tr><td>5</td><td>2052-12-15</td><td>VLT-741</td><td><a href="/home/Space_Shuttles/Vulture_Shuttle">Endurance</a> (crewed)</td><td>Main storage module + truss extension</td><td>Final orbiter relay. Construction halted thereafter</td></tr>
</tbody></table>
<p>On 2053-02-10, the same strategic decision that affected ST-01 was applied to this vessel: rather than completing it as a standard Xihe-class mothership, it was transferred to the Stellaria Program to be equipped with the lightspeed engine. Construction was formally halted. Three months later (2053-05-12 -- just one day after ST-01's transfer), the hull was officially transferred to the Stellaria Program and entered the reconfiguration phase.</p>
<h3 id="reconfiguration-stellaria-class-second-ship">Reconfiguration: Stellaria-class second ship (2053-2055)</h3>
<p>Kristen's reconfiguration commenced on 2053-05-12 at <a href="/home/Stations/Star_Port_Station">Star Port Station</a>, lasting approximately 884 days and completing on 2055-10-13. This was the longest reconfiguration phase of any mothership -- approximately 2.5 times ST-01's 352 days. Three primary factors account for this difference:</p>
<ul>
<li><b>Lower initial completion level</b>: Kristen had fewer modules installed when construction halted in February 2053, requiring approximately 2-3 Xihe-standard modules to be backfilled (including the artificial-gravity habitation ring and propulsion module base structure) before the lightspeed engine could be installed.</li>
<li><b>Resource prioritization</b>: During 2053-2054, the Stellaria Program's engineering resources and Qingtian cargo ship capacity were prioritized toward ST-01's reconfiguration to ensure the lead ship completed as early as possible. Kristen's reconfiguration only accelerated fully after ST-01's completion in April 2054.</li>
<li><b>Lead-ship lessons learned</b>: The engineering team deliberately leveraged ST-01's reconfiguration and trial-run data to optimize the lightspeed engine installation process, propulsion control interfaces, and Xihe/Stellaria system integration approach on Kristen.</li>
</ul>
<p>Reconfiguration work was supported by <a href="/home/Cargo_Ships/Qingtian">Qingtian cargo ships</a> (LEO upmass capacity approximately 150 t) for large-module transport, with Star Port Station's resident engineering teams conducting orbital installation and testing. As with ST-01, the core change of this reconfiguration was the installation of the lightspeed engine -- all other systems remained at Xihe-class standards.</p>
<table>
<thead><tr><th>Phase</th><th>Start</th><th>End</th><th>Duration</th><th>Activity</th></tr></thead>
<tbody>
<tr><td>Initial construction (Xihe-class base mothership)</td><td>2052-01-14</td><td>2053-02-10</td><td>~392 days</td><td>Vulture Shuttle orbiter relay, structural assembly and cross-module connections</td></tr>
<tr><td>Construction halt</td><td>2053-02-10</td><td>2053-05-12</td><td>~91 days</td><td>Strategic decision and transfer preparation</td></tr>
<tr><td>Reconfiguration (Stellaria-class second ship)</td><td>2053-05-12</td><td>2055-10-13</td><td>~884 days</td><td>Qingtian cargo transport, backfill of missing modules, lightspeed engine installation and testing</td></tr>
<tr><td>Total</td><td>2052-01-14</td><td>2055-10-13</td><td>~1,367 days</td><td>From first module arrival to reconfiguration completion</td></tr>
</tbody></table>
<h2 id="testing-and-commissioning">Testing and commissioning</h2>
<p>Kristen's testing phase began on the same day reconfiguration completed, proceeding through three stages:</p>
<p><b>Trial Run</b> (2055-10-13 to 2056-03-10, approximately 148 days): Conducted in lunar orbit. The trial run fully leveraged the lightspeed engine test data and operational procedures already accumulated by ST-01, enabling more comprehensive validation in a shorter timeframe. Key items included full-power-range lightspeed engine ignition tests, long-duration propulsion-to-Xihe-standard power bus compatibility verification, artificial-gravity habitation ring dynamic balance testing across the lightspeed engine thrust spectrum, and closed-loop life-support full-crew simulated operation.</p>
<p><b>Deep Space Test</b> (2056-03-10 to 2056-06-08, approximately 90 days): Kristen proceeded uncrewed to the Sun-Earth L2 Lagrange point, executing lightspeed engine deep-space autonomous flight validation. This was the second Stellaria-class mothership to conduct lightspeed engine testing at L2. The mission focused on verifying thermal control and navigation performance under sustained lightspeed engine operation at L2 distance, with systematic comparison against ST-01's deep space test data.</p>
<p><b>Pre-commissioning Maintenance</b> (2056-06-08 to 2056-11-19, approximately 164 days): After the deep space test, Kristen returned to LEO and docked at Star Port Station, where the engineering team applied system fine-tuning based on test data. Key items included coupled vibration assessment between the lightspeed engine and Xihe-class hull structure, deep integration of the command center navigation computer with lightspeed engine thrust models, and life-support flow parameter re-optimization for lightspeed engine operational characteristics. In November 2056, Kristen formally entered service.</p>
<h2 id="operational-history">Operational history</h2>
<p>Since entering service in November 2056, Kristen has executed three major missions (including one in progress), focused on Mars and Jovian system construction and scientific exploration. The following details each mission phase in chronological order.</p>
<h3 id="mars-expedition-1">Mars Expedition 1 (2056-11-19 to 2057-09-08)</h3>
<p>On 2056-11-19 -- mere days after entering service -- Kristen departed Earth in a crewed configuration for its first deep-space mission. With a 125 km/s injection (STANDARD TRANSFER trajectory), the ship completed the approximately 38-day transit and arrived at Mars orbit on 2056-12-27.</p>
<p>Mars surface operations ran from 2056-12-27 to 2057-07-15, approximately 200 days. The mission's core objective was large-scale materiel resupply, crew rotation, and facility expansion support for <a href="/home/Bases/Mars_One">Mars One Base</a>. Kristen's crew accomplished the following major work during this period:</p>
<ul>
<li>Added two pressurized laboratory modules and an upgraded water-recovery facility</li>
<li>Expanded the solar array and energy-storage system, increasing total base power generation by approximately 40%</li>
<li>Conducted extensive Martian surface geological sampling and subsurface ice detection</li>
<li>Collected long-duration Mars surface habitation crew physiological data</li>
</ul>
<p>This was Kristen's crew's first Mars surface mission and the second Mars mission executed by a Stellaria-class mothership (following ST-01's Mars One Construction Mission 2). Return transit began on 2057-07-15 with a 130 km/s injection departing Mars, completing the approximately 55-day voyage and arriving at Earth on 2057-09-08. Upon return, Kristen immediately entered a 28-day rapid maintenance cycle (2057-09-08 to 2057-10-06) to prepare for the imminent Europa mission.</p>
<h3 id="europa-outpost-construction-2">Europa Outpost Construction Mission 2 (2057-10-06 to 2058-11-08)</h3>
<p>On 2057-10-06, Kristen departed Earth with a 185 km/s injection (FAST TRANSFER trajectory) bound for the Jovian system. This was Kristen's first outer Solar System mission and the second Stellaria-class construction mission for Europa Outpost (following ST-01's first construction mission a year earlier). After approximately 58 days of cruise, Kristen arrived at the Jovian system on 2057-12-03.</p>
<p>Kristen spent approximately 315 days in the Jovian system (2057-12-03 to 2058-10-13), executing the expansion and deepening of <a href="/home/Bases/Europa_Research_Outpost">Europa Research Outpost</a>:</p>
<ul>
<li><b>Outpost Phase 2 module installation</b>: Towed and installed the outpost's second-phase pressurized modules, expanding usable living and working space by approximately 80%, with a new dedicated biosafety laboratory and sample-analysis facility.</li>
<li><b>Deep subsurface ocean sounding</b>: Deployed upgraded penetrating-radar arrays and active seismic sources, obtaining high-resolution data on Europa's deep ice-shell structure and subsurface ocean depth.</li>
<li><b>Radiation shielding wall construction</b>: Used in-situ Europa surface materials to build the first radiation shielding wall around the outpost, reducing habitation-zone radiation levels by approximately 60%.</li>
<li><b>Outpost autonomous operation testing</b>: Validated continuous autonomous power and life-support system reliability while the outpost operated in uncrewed mode.</li>
</ul>
<p>During this period, Kristen achieved cross-class coordination with <a href="/home/Exploration_Motherships/Xihe/XH-01">Xihe (XH-01)</a>, which was simultaneously in the Jovian system executing Europa Expedition 1 -- Xihe focused on scientific exploration while Kristen focused on infrastructure construction. This complementary division of labor between the two ships established the template for future multi-class joint expedition operations.</p>
<p>On 2058-10-13, Kristen departed the Jovian system for the return voyage with a 180 km/s injection, completing the approximately 26-day transit and arriving at Earth on 2058-11-08, docking at Star Port Station. This mission marked Europa Outpost's transition from initial construction phase to operational phase, providing critical infrastructure support for subsequent Europa expedition missions.</p>
<h3 id="maintenance-and-upgrades_2058-2059">Maintenance and Upgrades (2058-11-08 to 2059-04-06)</h3>
<p>Following completion of the Europa Outpost construction mission, Kristen began an approximately 149-day maintenance and upgrade cycle at Star Port Station on 2058-11-08. This was Kristen's first deep maintenance since entering service, with core projects including:</p>
<ul>
<li><b>Lightspeed engine comprehensive overhaul</b>: Magnetic confinement field coil replacement, thrust-vector calibration system upgrade, and cooling-loop deep flushing. This overhaul drew heavily on ST-01's lightspeed engine maintenance data from before its Saturn mission.</li>
<li><b>Radiation protection reinforcement</b>: Additional composite shielding installed around the command center and habitation modules, providing higher radiation safety margin for subsequent long-duration Jovian system missions.</li>
<li><b>Greenhouse module upgrade</b>: Hydroponic system upgraded from single-zone to multi-zone rotational cultivation, with nutrient-loop efficiency improved by approximately 35%.</li>
<li><b>Docking interface comprehensive overhaul</b>: Forward main and lateral docking interface seal assemblies replaced, docking latch mechanisms fatigue-inspected and replaced.</li>
<li><b>Xihe-class system life assessment</b>: A comprehensive life assessment of life-support, power, and thermal-control systems still at Xihe-class standards, providing baseline data for the 2060-2061 full Stellaria-class upgrade.</li>
</ul>
<h3 id="europa-expedition-2">Europa Expedition 2 (2059-04-06 -- ongoing)</h3>
<figure class="thumb tright"><div class="image-placeholder">Kristen Europa Expedition artist's impression placeholder</div><figcaption class="thumbcaption">During Europa Expedition 2, Kristen maintains a safe mission orbit in the Jovian system while carried Echo shuttles handle crew rotation and scientific operations on Europa's surface.</figcaption></figure>
<p>On 2059-04-06, the upgraded Kristen departed Earth with a 190 km/s injection (FAST TRANSFER trajectory) bound for the Jovian system to execute Europa Expedition 2. After approximately 60 days of cruise, Kristen arrived at the Jovian system on 2059-06-05.</p>
<p>Europa Expedition 2 is Kristen's first Jovian mission with scientific exploration (rather than infrastructure construction) as the primary objective, and the first complete Europa expedition executed by a Stellaria-class mothership. The mission plan encompasses:</p>
<ul>
<li><b>Europa surface comprehensive scientific survey</b>: Ice-shell drilling and sampling, subsurface ocean chemistry analysis, and geological structure mapping at multiple landing sites on Europa's surface.</li>
<li><b>Europa Outpost crew rotation</b>: Rotating the outpost's first long-duration habitation crew back to Earth with a new crew taking over.</li>
<li><b>Io volcanic activity monitoring</b>: Long-term continuous monitoring of Io's volcanic eruptions using Kristen's onboard sensor array and carried probes.</li>
<li><b>Callisto surface reconnaissance</b>: Orbital remote-sensing mapping of Callisto to assess its potential as an outer Solar System emergency refuge and future deep-space outpost waypoint.</li>
<li><b>Jovian magnetosphere environment study</b>: Particle and field data collection across different regions of the Jovian magnetosphere, providing radiation environment baselines for future Stellaria-class Jovian missions and vehicle design.</li>
</ul>
<p>Return departure from the Jovian system is planned for 2060-08-26. As of March 2060, Kristen is in the Jovian system executing Europa Expedition 2, with all systems operating nominally and crew in good condition.</p>
<table>
<thead><tr><th>Phase</th><th>Start</th><th>End</th><th>Duration</th></tr></thead>
<tbody>
<tr><td>Earth-Jupiter transfer</td><td>2059-04-06</td><td>2059-06-05</td><td>~60 days</td></tr>
<tr><td>Jovian system ops (ongoing)</td><td>2059-06-05</td><td>Planned 2060-08-26</td><td>~448 days</td></tr>
</tbody></table>
<h3 id="future-plans">Future plans: Full Stellaria-class upgrade (2060-2061)</h3>
<p>Following completion of Europa Expedition 2, Kristen is scheduled to begin a full Stellaria-class upgrade at Star Port Station on 2060-09-01. The upgrade is expected to last until 2061-06-30 (approximately 303 days), bringing Kristen to the same complete Stellaria-class specification achieved by ST-01 in its 2059-2060 upgrade. Planned upgrade projects include:</p>
<ul>
<li>Addition of a second artificial-gravity habitation ring, forming a dual-ring gradient-gravity configuration</li>
<li>Installation of a central extension section providing additional laboratory space, cryo-sleep chambers, and redundant life-support capability</li>
<li>Deployment of 12 cryo-sleep chambers</li>
<li>Radiation protection comprehensive reinforcement to Stellaria-class standards</li>
<li>Command center, docking systems, and carried-vehicle interfaces comprehensive refit to Stellaria-class standards</li>
<li>Overall length extension to approximately 125 m</li>
</ul>
<p>Once upgraded, Kristen will join ST-01 to form a complete two-ship Stellaria-class fleet, significantly enhancing humanity's sustained presence and mission response capability in the outer Solar System.</p>
<h2 id="specifications">Specifications</h2>
<table>
<thead><tr><th>Parameter</th><th>Value</th></tr></thead>
<tbody>
<tr><td>Ship name</td><td>Kristen (ST-02)</td></tr>
<tr><td>Class</td><td>Stellaria-class interplanetary exploration mothership</td></tr>
<tr><td>Type</td><td>Crewed interplanetary exploration mothership</td></tr>
<tr><td>Configuration</td><td>Axial-spine multi-module cylindrical layout (Xihe-class frame)</td></tr>
<tr><td>Current length</td><td>Approximately 83.4 m (post-upgrade: ~125 m)</td></tr>
<tr><td>Current max diameter</td><td>25 m (artificial-gravity habitation ring); post-upgrade: 30 m (dual rings)</td></tr>
<tr><td>Primary propulsion</td><td>Lightspeed engine (Stellaria-class standard)</td></tr>
<tr><td>Backup propulsion</td><td>Perseverance mass-driver propulsion system (Xihe-class standard)</td></tr>
<tr><td>Main reactor</td><td>Ark cold-fusion reactor, approximately 8 TW output class</td></tr>
<tr><td>Full-load delta-v</td><td>Approximately 2,200 km/s with 300 t payload (lightspeed engine)</td></tr>
<tr><td>Maximum payload</td><td>300 t (post-upgrade: 500 t)</td></tr>
<tr><td>Long-duration crew</td><td>15 (post-upgrade: 25)</td></tr>
<tr><td>Short-duration crew</td><td>30 (post-upgrade: 50)</td></tr>
<tr><td>Cryo-sleep chambers</td><td>None (post-upgrade: 12)</td></tr>
<tr><td>Artificial gravity</td><td>Approximately 0.41 g from rotating habitation ring at ~4 RPM (post-upgrade: dual-ring 0.4-0.6 g)</td></tr>
<tr><td>Typical carried vehicles</td><td>Two Echo shuttles</td></tr>
<tr><td>Construction start (original)</td><td>2052-01-14</td></tr>
<tr><td>Construction halted</td><td>2053-02-10</td></tr>
<tr><td>Reconfiguration start</td><td>2053-05-12</td></tr>
<tr><td>Reconfiguration complete</td><td>2055-10-13</td></tr>
<tr><td>Trial run</td><td>2055-10-13 to 2056-03-10</td></tr>
<tr><td>Deep space test</td><td>2056-03-10 to 2056-06-08</td></tr>
<tr><td>Entered service</td><td>November 2056</td></tr>
<tr><td>Full Stellaria-class upgrade</td><td>Planned 2060-09-01 to 2061-06-30</td></tr>
<tr><td>Home port</td><td>Star Port Station</td></tr>
<tr><td>Current status</td><td>Active (Europa Expedition 2, Jovian system)</td></tr>
</tbody></table>
<h2 id="see-also">See also</h2>
<ul>
<li><a href="/home/Exploration_Motherships/Stellaria">Stellaria-class interplanetary exploration mothership</a></li>
<li><a href="/home/Exploration_Motherships/Stellaria/ST-01">Wanxingyuan / Stellaria (ST-01)</a></li>
<li><a href="/home/Exploration_Motherships/Xihe">Xihe-class interplanetary exploration mothership</a></li>
<li><a href="/home/Exploration_Motherships/Xihe/XH-01">Xihe (XH-01)</a></li>
<li><a href="/home/Space_Shuttles/Echo_Shuttle">Echo Shuttle</a></li>
<li><a href="/home/Space_Shuttles/Vulture_Shuttle">Vulture Shuttle</a></li>
<li><a href="/home/Stations/Star_Port_Station">Star Port Station</a></li>
<li><a href="/home/Cargo_Ships/Qingtian">Qingtian cargo ship</a></li>
<li><a href="/home/Bases/Mars_One">Mars One Base</a></li>
<li><a href="/home/Bases/Europa_Research_Outpost">Europa Research Outpost</a></li>
</ul>
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<h1 id="克里斯滕号ST02">克里斯滕号（ST-02）</h1>
<table class="infobox">
<caption>克里斯滕号<span>ST-02 Kristen</span></caption>
<tbody>
<tr><td><div class="image-placeholder">克里斯滕号侧视图占位（万星源级二号舰，羲和级标准构型）</div><div class="thumbcaption">克里斯滕号是万星源级二号舰，最初作为羲和级基础母舰于 2052 年开工，后于 2053-2055 年重新配置为万星源级舰船。</div></td></tr>
<tr><td><b>舰名</b>：克里斯滕号（ST-02）</td></tr>
<tr><td><b>舰级</b>：<a href="/home/Exploration_Motherships/Stellaria">万星源级</a>星际探索母舰</td></tr>
<tr><td><b>原始建造开始</b>：2052 年 1 月 14 日</td></tr>
<tr><td><b>建造暂停</b>：2053 年 2 月 10 日</td></tr>
<tr><td><b>重新配置开始</b>：2053 年 5 月 12 日</td></tr>
<tr><td><b>重新配置完成</b>：2055 年 10 月 13 日</td></tr>
<tr><td><b>试运行</b>：2055 年 10 月 13 日 至 2056 年 3 月 10 日</td></tr>
<tr><td><b>深空测试</b>：2056 年 3 月 10 日 至 2056 年 6 月 8 日</td></tr>
<tr><td><b>服役前维护</b>：2056 年 6 月 8 日 至 2056 年 11 月 19 日</td></tr>
<tr><td><b>正式服役</b>：2056 年 11 月</td></tr>
<tr><td><b>万星源级完整升级</b>：计划 2060 年 9 月 1 日 至 2061 年 6 月 30 日（未来）</td></tr>
<tr><td><b>当前状态</b>：现役（欧罗巴远征 2，木星系统）</td></tr>
<tr><td><b>初始建造方式</b>：<a href="/home/Space_Shuttles/Vulture_Shuttle">秃鹫航天飞机</a>近地轨道"轨道器接力"组装</td></tr>
<tr><td><b>重新配置方式</b>：<a href="/home/Cargo_Ships/Qingtian">擎天货运飞船</a> + <a href="/home/Stations/Star_Port_Station">星港空间站</a>船坞</td></tr>
<tr><td><b>母港</b>：星港空间站</td></tr>
</tbody></table>
<p><b>克里斯滕号</b>（英语：<b>Kristen</b>，编号 <b>ST-02</b>，早期称<b>万星源NEXT号</b>）是<a href="/home/Exploration_Motherships/Stellaria">万星源级星际探索母舰</a>的二号舰。与首舰<a href="/home/Exploration_Motherships/Stellaria/ST-01">万星源号（ST-01）</a>一样，克里斯滕号拥有双重建造历史：最初作为<a href="/home/Exploration_Motherships/Xihe">羲和级</a>基础母舰于 2052 年 1 月 14 日开工，与羲和号和 ST-01 的建造同步进行；在完成约 392 天建造后于 2053 年 2 月 10 日暂停，随后移交至万星源计划并重新配置。重新配置阶段长达约 884 天（2053 年 5 月 12 日至 2055 年 10 月 13 日），是 ST-01 重新配置时间的 2.5 倍，反映出资源优先向首舰倾斜的实际情况。</p>
<p>截至 2060 年 3 月，克里斯滕号正在木星系统执行欧罗巴远征 2 任务（Europa Expedition 2），服役三年半间已累计执行了一次火星远征、一次欧罗巴前哨站建设任务和一次欧罗巴远征任务。克里斯滕号计划于 2060 年 9 月至 2061 年 6 月在星港空间站进行万星源级完整升级，届时将获得双人工重力环、中央扩展段和低温休眠舱等完整万星源级能力。</p>
<nav class="toc" aria-label="目录">
<div class="toc-title">目录</div>
<ol>
<li><a href="#设计概述">设计概述</a></li>
<li><a href="#建造过程">建造过程</a>
<ol>
<li><a href="#初始建造_羲和级基础母舰">初始建造：羲和级基础母舰（2052—2053）</a></li>
<li><a href="#重新配置_万星源级二号舰">重新配置：万星源级二号舰（2053—2055）</a></li>
</ol>
</li>
<li><a href="#测试与服役">测试与服役</a></li>
<li><a href="#运营历史">运营历史</a>
<ol>
<li><a href="#火星远征1">火星远征 1（2056—2057）</a></li>
<li><a href="#欧罗巴前哨站建设任务2">欧罗巴前哨站建设任务 2（2057—2058）</a></li>
<li><a href="#维护与升级_20582059">维护与升级（2058—2059）</a></li>
<li><a href="#欧罗巴远征2">欧罗巴远征 2（2059—进行中）</a></li>
<li><a href="#未来计划">未来计划：万星源级完整升级（2060—2061）</a></li>
</ol>
</li>
<li><a href="#技术参数">技术参数</a></li>
<li><a href="#相关条目">相关条目</a></li>
</ol>
</nav>
<h2 id="设计概述">设计概述</h2>
<p>克里斯滕号当前的舰体状态与 ST-01 在 2054—2058 年间的状态类似——本质上是一艘"羲和级舰体 + 万星源级推进核心"的混合平台。舰体全长约 83.4 米，最大直径 25 米（位于人工重力居住环处），九个主要模块沿中央轴线依次串联：前部对接枢纽、指挥中心、人工重力居住模块、静止居住模块、中心对接枢纽、温室模块、主储藏模块、桁架结构和推进模块。</p>
<p>与羲和级标准舰船的关键区别在于推进系统：克里斯滕号的主推进系统为光速引擎（万星源级标准），其余所有系统——包括指挥中心、人工重力环、居住模块、温室、对接口和生命保障系统——均保持羲和级标准。该舰不具备大气再入或行星表面着陆能力，地表往返依赖随舰携带的两艘<a href="/home/Space_Shuttles/Echo_Shuttle">回声级航天飞机</a>。舰上可容纳 15 名长期乘员（短期可达 30 人），人工重力居住环以约 4 RPM 旋转产生约 0.41 g 的人工重力。有关设计细节的完整说明，请参见<a href="/home/Exploration_Motherships/Stellaria">万星源级星际探索母舰</a>主页面。</p>
<p>计划于 2060 年 9 月开始的万星源级完整升级将为其增加第二个人工重力居住环、中央扩展段、低温休眠舱和增强型辐射防护系统，届时全长将扩展至约 125 米，达到与 ST-01 相同的完整万星源级规格。</p>
<h2 id="建造过程">建造过程</h2>
<h3 id="初始建造_羲和级基础母舰">初始建造：羲和级基础母舰（2052—2053）</h3>
<p>克里斯滕号的前身是两艘与羲和号同步开工的"基础母舰"中较晚开工的一艘（另一艘为后来的 ST-01）。2052 年 1 月 14 日，首个模块由无人<a href="/home/Space_Shuttles/Vulture_Shuttle">秃鹫航天飞机</a>运抵近地轨道，开启了初始建造。与 XH-01 和 ST-01 一样，建造采用"轨道器接力"方案：无人轨道器首飞后将首个模块留下作为组装平台，后续载人轨道器依次运送新模块并接力留轨。</p>
<p>至 2053 年 2 月 10 日，克里斯滕号初始建造完成约 392 天。此时舰体已完成主体结构对接和大部分跨模块连接，但主推进系统尚未安装。与 ST-01 不同的是，克里斯滕号的初始建造时间较短（392 天 vs 871 天）——这主要是因为 ST-01 作为首艘基础母舰获得了更多的早期建造资源，而克里斯滕号的开工时间晚了约 4 个月，导致在 2053 年 2 月建造暂停时尚未达到与 ST-01 相同的完成度。具体来说，ST-01 已安装 9 个主要模块（仅缺推进系统），而克里斯滕号约为 6-7 个模块的完成度。这一初始完成度的差距部分解释了其后续重新配置时间更长（884 天 vs 352 天）的原因——克里斯滕号需要先补足缺失的羲和级基础模块，再安装光速引擎。</p>
<p>以下为初始建造阶段的主要发射记录：</p>
<table>
<thead><tr><th>序号</th><th>日期</th><th>任务</th><th>轨道器</th><th>主要模块</th><th>备注</th></tr></thead>
<tbody>
<tr><td>1</td><td>2052-01-14</td><td>VLT-661</td><td><a href="/home/Space_Shuttles/Vulture_Shuttle">忠诚号（Loyalty）</a>（无人）</td><td>前部对接枢纽 + 指挥中心</td><td>最后一次秃鹫 Block 1 无人首飞；轨道器留轨作为组装平台</td></tr>
<tr><td>2</td><td>2052-04-01</td><td>VLT-685</td><td><a href="/home/Space_Shuttles/Vulture_Shuttle">毅力号（Perseverance）</a>（载人）</td><td>静止居住模块 + 初始桁架</td><td>—</td></tr>
<tr><td>3</td><td>2052-07-15</td><td>VLT-708</td><td><a href="/home/Space_Shuttles/Vulture_Shuttle">勇气号（Courage）</a>（载人）</td><td>中心对接枢纽</td><td>—</td></tr>
<tr><td>4</td><td>2052-10-01</td><td>VLT-725</td><td><a href="/home/Space_Shuttles/Vulture_Shuttle">决心号（Determination）</a>（载人）</td><td>温室模块</td><td>—</td></tr>
<tr><td>5</td><td>2052-12-15</td><td>VLT-741</td><td><a href="/home/Space_Shuttles/Vulture_Shuttle">耐力号（Endurance）</a>（载人）</td><td>主储藏模块 + 桁架延伸段</td><td>末次轨道器接力。此后建造暂停</td></tr>
</tbody></table>
<p>2053 年 2 月 10 日，与 ST-01 相同的战略决策作用于这艘舰：与其将其建造成标准羲和级母舰，不如移交至万星源计划并配备光速引擎。建造正式暂停。三个月后（2053 年 5 月 12 日——仅比 ST-01 晚一天），该舰体正式移交万星源计划，进入重新配置阶段。</p>
<h3 id="重新配置_万星源级二号舰">重新配置：万星源级二号舰（2053—2055）</h3>
<p>克里斯滕号的重新配置于 2053 年 5 月 12 日在<a href="/home/Stations/Star_Port_Station">星港空间站</a>启动，历时约 884 天，于 2055 年 10 月 13 日完成。这是所有母舰中耗时最长的重新配置阶段——约为 ST-01 的 352 天的 2.5 倍。造成这一差异的主要原因有三：</p>
<ul>
<li>初始完成度较低：克里斯滕号在 2053 年 2 月停工时的模块完成度低于 ST-01，需要先补装约 2-3 个羲和级标准模块（包括人工重力居住环和推进模块基座结构），再安装光速引擎。</li>
<li>资源优先分配：2053—2054 年间，万星源计划的工程资源和擎天货运飞船运力优先保障 ST-01 的重新配置，以确保首舰尽早完成。克里斯滕号的重新配置在 ST-01 于 2054 年 4 月完成后才全面加速。</li>
<li>吸取首舰经验：工程团队有意利用 ST-01 的重新配置和试运行数据，在克里斯滕号上优化光速引擎安装流程、推进控制接口和羲和级/万星源级系统集成方案。</li>
</ul>
<p>重新配置工作由<a href="/home/Cargo_Ships/Qingtian">擎天货运飞船</a>（近地轨道上行能力约 150 吨）承担大型模块运输，星港空间站常驻工程团队负责在轨安装和测试。与 ST-01 一样，此次重新配置的核心变更是安装光速引擎——其余系统保持羲和级标准。</p>
<table>
<thead><tr><th>阶段</th><th>开始</th><th>结束</th><th>持续</th><th>主要内容</th></tr></thead>
<tbody>
<tr><td>初始建造（羲和级基础母舰）</td><td>2052-01-14</td><td>2053-02-10</td><td>约 392 天</td><td>秃鹫航天飞机轨道器接力，主体结构对接</td></tr>
<tr><td>建造暂停</td><td>2053-02-10</td><td>2053-05-12</td><td>约 91 天</td><td>战略决策与移交准备</td></tr>
<tr><td>重新配置（万星源级二号舰）</td><td>2053-05-12</td><td>2055-10-13</td><td>约 884 天</td><td>擎天货运飞船运输，补充缺失模块，光速引擎安装与测试</td></tr>
<tr><td>总计</td><td>2052-01-14</td><td>2055-10-13</td><td>约 1,367 天</td><td>从首个模块运抵到重新配置完成</td></tr>
</tbody></table>
<h2 id="测试与服役">测试与服役</h2>
<p>克里斯滕号的测试阶段在重新配置完成当日即开始，分为三个阶段：</p>
<p><b>试运行</b>（2055 年 10 月 13 日至 2056 年 3 月 10 日，约 148 天）：在月球轨道进行。试运行充分利用了 ST-01 已积累的光速引擎测试数据和操作规程，能够在更短时间内完成更全面的验证。主要内容包括光速引擎全功率区间点火测试、推进控制系统与羲和级电源总线的长时间兼容性验证、人工重力居住环在光速引擎推力谱下的动平衡测试，以及闭合式生命保障系统满员模拟运行。</p>
<p><b>深空测试</b>（2056 年 3 月 10 日至 6 月 8 日，约 90 天）：克里斯滕号以无人状态前往日地 L2 拉格朗日点，执行光速引擎深空自主飞行验证。这是万星源级第二艘在 L2 点执行光速引擎测试的母舰。任务重点验证了光速引擎在 L2 距离持续运行的热控和导航性能，并与 ST-01 的深空测试数据进行了系统比对。</p>
<p><b>服役前维护</b>（2056 年 6 月 8 日至 11 月 19 日，约 164 天）：深空测试结束后，克里斯滕号返回近地轨道停靠星港空间站，工程团队根据测试数据进行系统精调。重点包括光速引擎与羲和级舰体结构的耦合振动评估、指挥中心导航计算机与光速引擎推力模型的深度集成，以及生命保障系统流量参数针对光速引擎运行特性的重新优化。2056 年 11 月，克里斯滕号正式服役。</p>
<h2 id="运营历史">运营历史</h2>
<p>克里斯滕号自 2056 年 11 月服役以来，已执行三次主要任务（含一次进行中），专注于火星和木星系统的建设与科学考察。以下按时间顺序详述各任务阶段。</p>
<h3 id="火星远征1">火星远征 1（2056 年 11 月 19 日至 2057 年 9 月 8 日）</h3>
<p>2056 年 11 月 19 日——服役后仅数日——克里斯滕号以载人状态从地球出发，执行其首次深空任务。以 125 km/s 速度增量（标准转移剖面）从地球出发，经约 38 天航程于 2056 年 12 月 27 日抵达火星轨道。</p>
<p>火星表面作业从 2056 年 12 月 27 日持续至 2057 年 7 月 15 日，约 200 天。此次任务的核心目标是为<a href="/home/Bases/Mars_One">火星一号基地</a>提供大规模物资补给、人员轮换和设施扩建支持。克里斯滕号乘员在此期间完成了以下主要工作：</p>
<ul>
<li>新增两个加压实验室模块和一个升级版水回收设施</li>
<li>扩建太阳能阵列和储能系统，将基地总发电能力提升约 40%</li>
<li>执行火星表面广泛地质采样和地下冰层探测</li>
<li>进行火星表面长期驻留乘员生理数据采集</li>
</ul>
<p>这是克里斯滕号乘员首次在火星表面执行任务，也是万星源级母舰执行的第二次火星任务（继 ST-01 的火星一号建设任务 2 之后）。返航阶段于 2057 年 7 月 15 日启动，以 130 km/s 速度增量离开火星，经约 55 天航程于 2057 年 9 月 8 日抵达地球。返航后克里斯滕号立即进入为期 28 天的快速维护（2057 年 9 月 8 日至 10 月 6 日），为紧随其后的欧罗巴任务做准备。</p>
<h3 id="欧罗巴前哨站建设任务2">欧罗巴前哨站建设任务 2（2057 年 10 月 6 日至 2058 年 11 月 8 日）</h3>
<p>2057 年 10 月 6 日，克里斯滕号以 185 km/s 速度增量（快速转移剖面）从地球出发，驶向木星系统。这是克里斯滕号首次执行外太阳系任务，也是万星源级母舰对欧罗巴前哨站的第二次建设任务（继 ST-01 于一年前完成的首次建设任务之后）。经约 58 天航程，于 2057 年 12 月 3 日抵达木星系统。</p>
<p>克里斯滕号在木星系统停留了约 315 天（2057 年 12 月 3 日至 2058 年 10 月 13 日），执行了<a href="/home/Bases/Europa_Research_Outpost">欧罗巴研究前哨站</a>的扩建与深化建设工作：</p>
<ul>
<li><b>前哨站二期舱段安装</b>：拖曳并安装前哨站第二期加压模块，将可用生活和工作空间扩大约 80%，新增专用生物安全实验室和样品分析设施。</li>
<li><b>冰下海洋深层探测</b>：部署升级版穿透雷达阵列和主动震源，获取欧罗巴冰壳深层结构和冰下海洋深度的高分辨率数据。</li>
<li><b>辐射屏蔽墙施工</b>：利用欧罗巴表面原位材料建造前哨站周围的第一道辐射屏蔽墙，将居住区辐射水平降低约 60%。</li>
<li><b>前哨站自主运行测试</b>：在前哨站进入无人值守模式时，验证其自主电力和生命保障系统的连续运行可靠性。</li>
</ul>
<p>在此期间，克里斯滕号与同期在木星系统执行欧罗巴远征 1 任务的<a href="/home/Exploration_Motherships/Xihe/XH-01">羲和号（XH-01）</a>实现了跨舰级协同——羲和号专注于科学探测，克里斯滕号专注于基础设施建设，两舰的互补分工为后续多舰级联合远征模式奠定了基础。</p>
<p>2058 年 10 月 13 日，克里斯滕号从木星系统启程返回，以 180 km/s 速度增量进入返航转移轨道，经约 26 天航程于 2058 年 11 月 8 日抵达地球，停靠星港空间站。此次任务标志着欧罗巴前哨站从初期建设阶段转入可运营阶段，为后续欧罗巴远征任务提供了关键的基础设施保障。</p>
<h3 id="维护与升级_20582059">维护与升级（2058 年 11 月 8 日至 2059 年 4 月 6 日）</h3>
<p>完成欧罗巴前哨站建设任务后，克里斯滕号于 2058 年 11 月 8 日在星港空间站开始了为期约 149 天的维护与升级。这是克里斯滕号服役后的首次深度维护，核心项目包括：</p>
<ul>
<li><b>光速引擎全面检修</b>：磁约束场线圈更换、推力矢量校准系统升级和冷却回路深度冲洗。此次检修大量参考了 ST-01 土星任务前的光速引擎维护数据。</li>
<li><b>辐射防护强化</b>：在指挥中心和居住模块周围加装额外复合屏蔽层，为后续木星系统长期任务提供更高的辐射安全冗余。</li>
<li><b>温室模块升级</b>：水培系统从单区升级为多区轮作，营养液循环效率提升约 35%。</li>
<li><b>对接口全面翻修</b>：前部主对接口和侧向对接口密封组件替换，对接锁紧机构疲劳检测和更换。</li>
<li><b>羲和级系统寿命评估</b>：对仍维持羲和级标准的生命保障、电力和热控系统进行全面寿命评估，为 2060-2061 年万星源级完整升级提供基线数据。</li>
</ul>
<h3 id="欧罗巴远征2">欧罗巴远征 2（2059 年 4 月 6 日 → 进行中）</h3>
<figure class="thumb tright"><div class="image-placeholder">克里斯滕号欧罗巴远征任务艺术效果图占位</div><figcaption class="thumbcaption">克里斯滕号在欧罗巴远征 2 期间保持在木星系统安全任务轨道，通过随舰回声级航天飞机执行欧罗巴表面的乘员轮换和科学作业。</figcaption></figure>
<p>2059 年 4 月 6 日，完成维护升级的克里斯滕号以 190 km/s 速度增量（快速转移剖面）从地球出发，前往木星系统执行欧罗巴远征 2 任务。经约 60 天航程，于 2059 年 6 月 5 日抵达木星系统。</p>
<p>欧罗巴远征 2 是克里斯滕号首次以科学考察为主要目标（而非基础设施建设）的木星任务，也是万星源级母舰执行的首次完整欧罗巴远征任务。任务规划包括：</p>
<ul>
<li><b>欧罗巴表面综合科学考察</b>：多个着陆点在欧罗巴表面开展冰壳钻探取样、地下海洋化学分析和地质构造测绘。</li>
<li><b>欧罗巴前哨站乘员轮换</b>：将前哨站首批长期驻留乘员轮换返回，新一批乘员接替。</li>
<li><b>木卫一火山活动监测</b>：利用克里斯滕号舰载传感器阵列和随舰探测器对木卫一火山喷发进行长期连续监测。</li>
<li><b>木卫四地表勘测</b>：对木卫四进行轨道遥感测绘，评估其作为外太阳系应急避难场所和未来深空前哨站的潜力。</li>
<li><b>木星磁层环境研究</b>：在木星磁层不同区域采集粒子和场数据，为后续万星源级木星任务和载具设计提供辐射环境基线。</li>
</ul>
<p>计划于 2060 年 8 月 26 日从木星系统启程返回。截至 2060 年 3 月，克里斯滕号正在木星系统执行欧罗巴远征 2 任务，各系统运行正常，乘员状态良好。</p>
<table>
<thead><tr><th>阶段</th><th>开始</th><th>结束</th><th>持续</th></tr></thead>
<tbody>
<tr><td>地球-木星转移</td><td>2059-04-06</td><td>2059-06-05</td><td>约 60 天</td></tr>
<tr><td>木星系统作业（进行中）</td><td>2059-06-05</td><td>预计 2060-08-26</td><td>约 448 天</td></tr>
</tbody></table>
<h3 id="未来计划">未来计划：万星源级完整升级（2060—2061）</h3>
<p>欧罗巴远征 2 任务结束后，克里斯滕号计划于 2060 年 9 月 1 日在星港空间站启动万星源级完整升级。升级预计持续至 2061 年 6 月 30 日（约 303 天），将使克里斯滕号达到与 ST-01 在 2059-2060 年升级后相同的完整万星源级规格。计划升级项目包括：</p>
<ul>
<li>新增第二个人工重力居住环，形成双环梯度重力配置</li>
<li>安装中央扩展段，提供额外的实验室、低温休眠舱和冗余生命保障能力</li>
<li>部署 12 个低温休眠舱</li>
<li>辐射防护全面强化至万星源级标准</li>
<li>指挥中心、对接系统和随舰载具接口全面换装为万星源级标准</li>
<li>全长扩展至约 125 米</li>
</ul>
<p>克里斯滕号升级完成后将与 ST-01 形成完整的万星源级双舰舰队，大幅提升人类在外太阳系的持续存在和任务响应能力。</p>
<h2 id="技术参数">技术参数</h2>
<table>
<thead><tr><th>项目</th><th>数据</th></tr></thead>
<tbody>
<tr><td>舰名</td><td>克里斯滕号（ST-02）</td></tr>
<tr><td>舰级</td><td>万星源级星际探索母舰</td></tr>
<tr><td>类型</td><td>载人星际探索母舰</td></tr>
<tr><td>总体构型</td><td>纵向脊柱式多段圆柱构型（羲和级框架）</td></tr>
<tr><td>当前全长</td><td>约 83.4 米（升级后约 125 米）</td></tr>
<tr><td>当前最大直径</td><td>25 米（人工重力居住环），升级后 30 米（双环）</td></tr>
<tr><td>主推进系统</td><td>光速引擎（万星源级标准）</td></tr>
<tr><td>备用推进系统</td><td>"毅力"质量驱动推进系统（羲和级标准）</td></tr>
<tr><td>主反应堆</td><td>方舟冷核聚变反应堆，约 8 TW 输出级别</td></tr>
<tr><td>满载速度增量</td><td>约 2,200 km/s（含 300 吨有效载荷，光速引擎）</td></tr>
<tr><td>最大有效载荷</td><td>300 吨（升级后 500 吨）</td></tr>
<tr><td>长期乘员</td><td>15 人（升级后 25 人）</td></tr>
<tr><td>短期乘员</td><td>30 人（升级后 50 人）</td></tr>
<tr><td>低温休眠舱</td><td>无（升级后 12 个）</td></tr>
<tr><td>人工重力</td><td>约 0.41 g，由旋转居住环以约 4 RPM 产生（升级后双环 0.4-0.6 g）</td></tr>
<tr><td>典型随舰载具</td><td>2 艘回声级航天飞机</td></tr>
<tr><td>建造开始（原始）</td><td>2052 年 1 月 14 日</td></tr>
<tr><td>建造暂停</td><td>2053 年 2 月 10 日</td></tr>
<tr><td>重新配置开始</td><td>2053 年 5 月 12 日</td></tr>
<tr><td>重新配置完成</td><td>2055 年 10 月 13 日</td></tr>
<tr><td>试运行</td><td>2055 年 10 月 13 日 至 2056 年 3 月 10 日</td></tr>
<tr><td>深空测试</td><td>2056 年 3 月 10 日 至 2056 年 6 月 8 日</td></tr>
<tr><td>正式服役</td><td>2056 年 11 月</td></tr>
<tr><td>万星源级完整升级</td><td>计划 2060 年 9 月 1 日 至 2061 年 6 月 30 日</td></tr>
<tr><td>母港</td><td>星港空间站</td></tr>
<tr><td>当前状态</td><td>现役（欧罗巴远征 2，木星系统）</td></tr>
</tbody></table>
<h2 id="相关条目">相关条目</h2>
<ul>
<li><a href="/home/Exploration_Motherships/Stellaria">万星源级星际探索母舰</a></li>
<li><a href="/home/Exploration_Motherships/Stellaria/ST-01">万星源号（ST-01）</a></li>
<li><a href="/home/Exploration_Motherships/Xihe">羲和级星际探索母舰</a></li>
<li><a href="/home/Exploration_Motherships/Xihe/XH-01">羲和号（XH-01）</a></li>
<li><a href="/home/Space_Shuttles/Echo_Shuttle">回声级航天飞机</a></li>
<li><a href="/home/Space_Shuttles/Vulture_Shuttle">秃鹫航天飞机</a></li>
<li><a href="/home/Stations/Star_Port_Station">星港空间站</a></li>
<li><a href="/home/Cargo_Ships/Qingtian">擎天货运飞船</a></li>
<li><a href="/home/Bases/Mars_One">火星一号基地</a></li>
<li><a href="/home/Bases/Europa_Research_Outpost">欧罗巴研究前哨站</a></li>
</ul>
</article>
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<article class="mw-parser-output wiki-article">
<h1 id="taibai-xh-02">Taibai (XH-02)</h1>
<table class="infobox">
<caption>Taibai (XH-02)<span>XH-02</span></caption>
<tbody>
<tr><td><div class="image-placeholder">XH-02 Taibai side-view image placeholder</div><div class="thumbcaption">XH-02 Taibai is the second Xihe-class ship and the first assembled at Star Port Station.</div></td></tr>
<tr><td><b>Name</b>: Taibai (XH-02)</td></tr>
<tr><td><div class="image-placeholder">XH-02 Taibai side-view image placeholder</div><div class="thumbcaption">XH-02 Taibai is the second Xihe-class ship, assembled in low Earth orbit.</div></td></tr>
<tr><td><b>Ship name</b>: Taibai (XH-02)</td></tr>
<tr><td><b>Designation</b>: XH-02</td></tr>
<tr><td><b>Class</b>: <a href="/home/Exploration_Motherships/Xihe">Xihe-class interplanetary exploration mothership</a></td></tr>
<tr><td><b>Construction started</b>: December 2054</td></tr>
<tr><td><b>Assembly completed</b>: October 2056</td></tr>
<tr><td><b>Shakedown</b>: November 2056 to March 2057</td></tr>
<tr><td><b>Commissioned</b>: April 2057</td></tr>
<tr><td><b>Current status</b>: Active (post-maintenance, preparing for next assignment)</td></tr>
<tr><td><b>Construction method</b>: Qingtian cargo ships + Star Port Station assembly</td></tr>
<tr><td><b>Namesake</b>: Taibai (ancient Chinese name for Venus), symbolizing inner Solar System exploration</td></tr>
<tr><td><b>Construction start</b>: 2054-12-11</td></tr>
<tr><td><b>Assembly complete</b>: 2056-10-04</td></tr>
<tr><td><b>Commissioning</b>: 2056-11-11 to 2057-03-12</td></tr>
<tr><td><b>Entered service</b>: April 2057</td></tr>
<tr><td><b>Current status</b>: Active (Mars Expedition 4, Mars orbit, from 2060-02-28)</td></tr>
<tr><td><b>Construction method</b>: LEO assembly</td></tr>
<tr><td><b>Home port</b>: Star Port Station</td></tr>
</tbody></table>
<p><b>Taibai</b> (designation XH-02) is the second ship of the <a href="/home/Exploration_Motherships/Xihe">Xihe-class interplanetary exploration mothership</a> and the first Xihe-class vessel assembled at Star Port Station. Named after the ancient Chinese name for the planet Venus—"Taibai"—the name reflects the ship's specialization in inner Solar System and asteroid belt missions. Construction began in December 2054, assembly was completed in October 2056, and the ship was commissioned in April 2057. As of March 2060, Taibai is undergoing post-mission maintenance and preparing for its next assignment.</p>
<p><b>Taibai</b> (designation <b>XH-02</b>) is the second ship of the <a href="/home/Exploration_Motherships/Xihe">Xihe-class interplanetary exploration mothership</a>. Taibai began construction on 2054-12-11, completed assembly on 2056-10-04, and entered service in April 2057. As of March 2060, Taibai is in Mars orbit executing Mars Expedition 4.</p>
<p>Taibai follows the nine-module axial spine configuration of the Xihe class, integrating the Perseverance mass-driver propulsion system, an Ark cold-fusion reactor, closed-loop life support, an artificial-gravity habitation ring, and reinforced docking hardware. Compared with the lead ship Xihe (XH-01), Taibai incorporated operational lessons from XH-01's early missions, including improvements to the habitation module and upgraded radiation shielding. The ship is not capable of atmospheric re-entry or planetary landing; surface access is provided by carried Echo shuttles.</p>
<p>Taibai's mission record emphasizes inner Solar System operations, covering the Vesta orbital survey and asteroid belt exploration, Mars expedition support, and Mars One Base resupply—validating the Xihe class's multi-ship production and coordination capabilities.</p>
<p>Taibai is the first Xihe-class mothership to conduct an asteroid belt exploration mission (the 2057-2058 Asteroid Exploration Mission, which conducted orbital survey and surface sampling of Vesta), and the first to execute the Mars Expedition mission series. Since entering service, Taibai has completed three major deep-space missions.</p>
<nav class="toc" aria-label="Contents">
<div class="toc-title">Contents</div>
<ol>
<li><a href="#design-overview">Design overview</a></li>
<li><a href="#construction">Construction</a></li>
<li><a href="#operational-history">Operational history</a></li>
<li><a href="#commissioning">Commissioning</a></li>
<li><a href="#operational-history">Operational history</a>
<ol>
<li><a href="#asteroid-exploration-mission">Asteroid Exploration Mission (2057-2058)</a></li>
<li><a href="#mars-expedition-3">Mars Expedition 3 (2058-2059)</a></li>
<li><a href="#mars-expedition-4">Mars Expedition 4 (2059-2060, ongoing)</a></li>
</ol></li>
<li><a href="#specifications">Specifications</a></li>
<li><a href="#fleet-role">Fleet role</a></li>
<li><a href="#see-also">See also</a></li>
</ol>
</nav>
<h2 id="design-overview">Design overview</h2>
<p>Taibai is the second Xihe-class ship, using an axial-spine multi-module cylindrical layout with an overall length of 83.4 m, a maximum diameter of 25 m at the artificial-gravity habitation ring, a full-load delta-v of about 1,700 km/s, and a maximum payload of 300 t. Functional zones are arranged along the central axis: forward docking hub, command center, artificial-gravity habitation ring, static habitation module, central docking hub, greenhouse module, main storage module, truss section, and propulsion module.</p>
<p>As the second Xihe-class mothership, Taibai benefited from approximately two years of operational feedback from the lead ship Xihe (XH-01). The habitation module's ergonomic interfaces were refined, and radiation shielding received additional composite layers around the command center, living areas, and medical spaces. These improvements enhanced crew safety and comfort on long-duration missions while maintaining the same baseline configuration and delta-v specifications as the lead ship.</p>
<p>Taibai's standard carried-vehicle configuration is two Echo shuttles, used for crew, sample, and light cargo transfer between the mothership and target body surfaces. The ship was the first Xihe-class vessel designated from the construction phase with an inner Solar System mission emphasis, focusing on Mars-system resupply, asteroid belt exploration, and rapid-response near-Earth operations.</p>
<h2 id="construction">Construction</h2>
<h3>Construction method and innovation</h3>
<p>Taibai was the first Xihe-class mothership assembled at Star Port Station, marking the class's transition from "Vulture Shuttle-based free-flying LEO assembly" to "orbital shipyard construction using Star Port Station and Qingtian cargo ships." This shift freed large-module transport and integration from shuttle cargo-bay size constraints, significantly improving construction efficiency and module integration precision.</p>
<p>During construction, Qingtian cargo ships delivered the nine major modules, the artificial-gravity habitation ring, and other large structural components to Star Port Station in batches. The station's orbital shipyard facilities provided a stable assembly platform, environmental control, and maintenance support, allowing Taibai's construction timeline to improve on the lead ship Xihe's approximately 693-day build.</p>
<p>Taibai's construction began on 2054-12-11 using low Earth orbit assembly. The construction period was approximately 22 months, with assembly completed on 2056-10-04, making it the second Xihe-class mothership to complete construction after Xihe. Assembly was conducted at <a href="/home/Stations/Star_Port_Station">Star Port Station</a> using <a href="/home/Cargo_Ships/Qingtian">Qingtian cargo ships</a> (LEO upmass capacity approximately 150 t) for large-module transport -- a fundamental shift from the Vulture Shuttle "orbiter relay" method used for the lead ship <a href="/home/Exploration_Motherships/Xihe/XH-01">Xihe (XH-01)</a>. The Star Port dock-based assembly and Qingtian's large-module delivery capability reduced the construction cycle to 22 months, significantly shorter than Xihe's 23-month free-flying orbit assembly.</p>
<h3>Construction timeline</h3>
<p>After assembly, Taibai entered a post-assembly standby phase from 2056-10-04 to 2056-11-11 (38 days), then transitioned to the commissioning phase.</p>
<table>
<thead><tr><th>Phase</th><th>Period</th><th>Main activity</th></tr></thead>
<thead><tr><th>Phase</th><th>Start</th><th>End</th><th>Duration</th></tr></thead>
<tbody>
<tr><td>Construction start</td><td>December 2054</td><td>First structural module delivered to Star Port Station; orbital assembly initiated.</td></tr>
<tr><td>Major assembly</td><td>January 2055 to August 2056</td><td>Nine modules, artificial-gravity ring, propulsion system, and docking hubs integrated sequentially.</td></tr>
<tr><td>Full-ship integration</td><td>August to October 2056</td><td>Cross-module plumbing, power bus testing, life-support loop verification, and system-level checks.</td></tr>
<tr><td>Assembly complete</td><td>October 2056</td><td>Major assembly took approximately 22 months; entered shakedown phase.</td></tr>
<tr><td>Construction</td><td>2054-12-11</td><td>2056-10-04</td><td>~22 months</td></tr>
<tr><td>Assembly complete (standby)</td><td>2056-10-04</td><td>2056-11-11</td><td>38 days</td></tr>
</tbody></table>
<p>Taibai's construction benefited significantly from XH-01's operational experience. Habitation module design improvements, radiation shielding upgrades, and docking hub assembly processes all directly applied data accumulated during Xihe's Deep Space Test Mission and Mars Mission Demonstration. Additionally, Star Port Station's shipyard environment allowed more comprehensive subsystem verification during the assembly phase, reducing the subsequent shakedown workload.</p>
<h2 id="commissioning">Commissioning</h2>
<p>Taibai began its commissioning phase on 2056-11-11, lasting approximately 4 months and completing on 2057-03-12. Commissioning covered Earth orbit systems checks, Earth-Moon transfer, and lunar orbit operational validation. After commissioning, Taibai underwent pre-service maintenance from 2057-03-12 to 2057-04-25, then formally entered service in April 2057.</p>
<h2 id="operational-history">Operational history</h2>
<h3>Shakedown (November 2056 to March 2057)</h3>
<p>Taibai began a five-month orbital shakedown in November 2056, covering low Earth orbit, geostationary orbit maneuvers, and lunar orbit round trips. The shakedown phase validated structural integrity, propulsion response, artificial-gravity ring dynamic balance, long-duration life-support capability, and ship-wide thermal control stability. All systems passed validation, with thermal control, communications, and propulsion performance meeting or exceeding design targets.</p>
<p>During shakedown, Taibai also completed its first docking test with Star Port Station, verifying the forward docking hub and central docking hub performance in structural locking, power, thermal control, and data transfer. These tests established the operational baseline for routine mothership servicing and maintenance at Star Port Station. Shakedown concluded in March 2057, and Taibai was formally commissioned in April 2057.</p>
<h3 id="asteroid-exploration-mission">Asteroid Exploration Mission (2057-2058)</h3>
<p>The Asteroid Exploration Mission (AEM) was Taibai's first deep-space mission after entering service, and the first time a Xihe-class mothership entered the asteroid belt to execute a scientific exploration mission.</p>
<h3>Vesta Mission (May 2057 to January 2058)</h3>
<p>In May 2057, Taibai departed low Earth orbit on the Xihe class's first asteroid belt mission—Vesta orbital survey and surface sample collection. This was the first Xihe-class mission beyond Mars orbit into the asteroid belt, and humanity's first crewed orbital survey and surface sampling of Vesta.</p>
<p>During the roughly eight-month round trip, Taibai completed detailed Vesta orbital mapping, surface sample collection, and asteroid-belt deep-space environment assessment. Two carried Echo shuttles handled surface team descent and return, while the mothership remained in a safe orbit for telemetry monitoring, sample reception, and preliminary analysis. The mission validated Xihe-class operations under asteroid-belt radiation conditions, micrometeoroid risk, and extended communication delays.</p>
<p>In January 2058, Taibai returned to Earth with Vesta samples, which were transferred to near-Earth orbital laboratories for detailed analysis. The Vesta mission's success proved that Xihe-class motherships were capable of asteroid-belt deep-space operations, expanding the class's mission envelope from the Mars system to the wider inner Solar System.</p>
<p>Taibai departed Earth on 2057-05-04 with a standard transfer trajectory injection, and after 74 days of heliocentric transfer arrived at Vesta on 2057-07-17. Vesta surface operations lasted approximately 5.5 months (to 2058-01-04), completing orbital mapping, surface sample collection, and geological analysis. After the mission, Taibai departed Vesta on 2058-01-04 and, after approximately 3.5 months of return heliocentric transfer, arrived at Earth on 2058-04-17.</p>
<table>
<thead><tr><th>Mission parameter</th><th>Value</th></tr></thead>
<thead><tr><th>Phase</th><th>Start</th><th>End</th><th>Duration</th></tr></thead>
<tbody>
<tr><td>Departure</td><td>May 2057</td></tr>
<tr><td>Return</td><td>January 2058</td></tr>
<tr><td>Mission duration</td><td>Approximately 8 months</td></tr>
<tr><td>Primary objectives</td><td>Vesta orbital survey, surface sampling, asteroid-belt environment assessment</td></tr>
<tr><td>Carried vehicles</td><td>Two Echo shuttles</td></tr>
<tr><td>Outbound transfer</td><td>2057-05-04</td><td>2057-07-17</td><td>74 days</td></tr>
<tr><td>Vesta operations</td><td>2057-07-17</td><td>2058-01-04</td><td>~171 days</td></tr>
<tr><td>Return transfer</td><td>2058-01-04</td><td>2058-04-17</td><td>~103 days</td></tr>
</tbody></table>
<h3>Mars Expedition 3 (April 2058 to December 2058)</h3>
<p>In April 2058, Taibai executed Mars Expedition 3, conducting crew rotation and resupply transport to Mars One Base. The mission's core objective was delivering a new rotation of construction crew, supplies, and expansion equipment to Mars One Base while returning the previous resident crew to Earth.</p>
<p>Taibai carried two Echo shuttles for crew and cargo ferry between the mothership and the Martian surface. The mothership remained in high Mars orbit while Echo shuttles handled surface rotation, supply unloading, and sample loading. The mission lasted approximately nine months, concluding with a return to Earth in December 2058. Mars Expedition 3's success cemented Taibai's position as a trunk-line platform for Mars base expansion.</p>
<h3 id="mars-expedition-3">Mars Expedition 3 (2058-2059)</h3>
<p>Mars Expedition 3 (ME-3) was Taibai's first Mars mission. Taibai arrived at Mars orbit on 2058-04-17 directly after returning from the asteroid mission, without a separate outbound transfer phase (the ship transitioned directly from the AEM return into ME-3).</p>
<h3>Mars Expedition 4 (October 2059 to January 2060)</h3>
<p>In October 2059, Taibai returned to Mars for Mars Expedition 4, with the primary objective of supporting Mars One Base expansion. This mission coincided with the critical surface expansion phase of Mars One Campus Alpha; Taibai delivered structural trusses, greenhouse components, and support supplies that were essential for the base's phased construction.</p>
<p>Taibai completed Mars Expedition 4 and returned to Earth in January 2060. The mission validated the continuous resupply coordination model between Xihe-class motherships and Martian surface bases, further demonstrating the feasibility of multi-mothership rotational support for Mars base construction.</p>
<p>Mars surface operations lasted approximately 12.5 months (2058-04-17 to 2059-05-04), providing materiel resupply, crew rotation, and facility expansion support for <a href="/home/Bases/Mars_One">Mars One Base</a>. After mission completion, Taibai returned in uncrewed mode: departing on 2059-05-04, and after approximately 2 months of heliocentric transfer, arriving at Earth on 2059-07-06. It then underwent approximately 1 month of maintenance at <a href="/home/Stations/Star_Port_Station">Star Port Station</a> from 2059-07-06 to 2059-08-04.</p>
<h3>Current status (March 2060)</h3>
<p>As of March 2060, Taibai has completed post-Mars Expedition 4 maintenance and is undergoing system inspections and servicing in preparation for its next assignment. Maintenance work is being conducted at Star Port Station, covering propulsion system inspection, docking hub seal replacement, life-support loop servicing, thermal control system calibration, and carried-vehicle interface checks. Taibai remains in good active service condition and is one of the most steadily-operating platforms in the Xihe-class fleet.</p>
<h3 id="mars-expedition-4">Mars Expedition 4 (2059-2060, ongoing)</h3>
<p>Mars Expedition 4 (ME-4) is Taibai's current third Mars mission. The mission is divided into two phases:</p>
<p><b>Phase 1</b> (August to November 2059): Taibai departed on 2059-08-04 and, after approximately 81 days of transfer, entered Mars orbit on 2059-10-24. Phase 1 Mars surface operations lasted only approximately 11 days (to 2059-11-04). During this period Taibai also executed the ME-3 return mission (heliocentric transfer from 2059-11-04 to 2060-01-06).</p>
<p>Taibai then returned to LEO for brief maintenance (2060-01-06 to 2060-02-17), and executed an uncrewed cargo outbound mission from 2060-01-22 to 2060-02-27. After maintenance, Taibai transitioned to Phase 2 Mars operations: re-entering Mars orbit on 2060-02-28 for planetary surface operations expected to continue until 2060-10-30. As of 2060-03-12, Taibai is in Mars orbit executing the ME-4 Phase 2 mission.</p>
<table>
<thead><tr><th>Mission</th><th>Period</th><th>Main activity</th><th>Status</th></tr></thead>
<thead><tr><th>Phase</th><th>Start</th><th>End</th></tr></thead>
<tbody>
<tr><td>Shakedown</td><td>2056-11 to 2057-03</td><td>LEO, GEO, and lunar orbit tests; full system validation.</td><td>Complete</td></tr>
<tr><td>Vesta Mission</td><td>2057-05 to 2058-01</td><td>Vesta orbital survey, surface sampling, asteroid-belt environment assessment.</td><td>Complete</td></tr>
<tr><td>Mars Expedition 3</td><td>2058-04 to 2058-12</td><td>Mars One Base crew rotation and resupply transport.</td><td>Complete</td></tr>
<tr><td>Mars Expedition 4</td><td>2059-10 to 2060-01</td><td>Mars One Base expansion support; structural truss and greenhouse component delivery.</td><td>Complete</td></tr>
<tr><td>Post-mission maintenance</td><td>2060-01 to 2060-03</td><td>Comprehensive Star Port Station maintenance and system inspection.</td><td>In progress</td></tr>
<tr><td>Outbound transfer</td><td>2059-08-04</td><td>2059-10-24</td></tr>
<tr><td>Mars ops (Phase 1)</td><td>2059-10-24</td><td>2059-11-04</td></tr>
<tr><td>Maintenance (Star Port)</td><td>2060-01-06</td><td>2060-02-17</td></tr>
<tr><td>Mars ops (Phase 2, ongoing)</td><td>2060-02-28</td><td>Expected 2060-10-30</td></tr>
</tbody></table>
<h2 id="specifications">Specifications</h2>
<table>
<thead><tr><th>Parameter</th><th>Value</th></tr></thead>
<tbody>
<tr><td>Type</td><td>Crewed interplanetary exploration mothership (Xihe class)</td></tr>
<tr><td>Configuration</td><td>Axial-spine multi-module cylindrical layout</td></tr>
<tr><td>Length</td><td>83.4 m</td></tr>
<tr><td>Maximum diameter</td><td>25 m at the artificial-gravity habitation ring</td></tr>
<tr><td>Class</td><td>Xihe-class interplanetary exploration mothership</td></tr>
<tr><td>Construction period</td><td>Approximately 22 months</td></tr>
<tr><td>Propulsion</td><td>Perseverance mass-driver propulsion system</td></tr>
<tr><td>Main reactor</td><td>Ark cold-fusion reactor, about 8 TW output class</td></tr>
<tr><td>Thrust</td><td>2,400 kN standard mode; 3,800 kN high-thrust mode</td></tr>
<tr><td>Specific impulse</td><td>500,000 s standard mode; 250,000 s high-thrust mode</td></tr>
<tr><td>Full-load delta-v</td><td>About 1,700 km/s with 300 t payload</td></tr>
<tr><td>Maximum payload</td><td>300 t including surface vehicles and supplies</td></tr>
<tr><td>Long-duration crew</td><td>15</td></tr>
<tr><td>Short-duration crew</td><td>30</td></tr>
<tr><td>Artificial gravity</td><td>About 0.41 g from the rotating habitation ring</td></tr>
<tr><td>Carried vehicles</td><td>Typically two Echo shuttles, or an Echo plus Amalthea-type compatible vehicle mix</td></tr>
<tr><td>Construction method</td><td>Qingtian cargo ships + Star Port Station assembly</td></tr>
<tr><td>Build duration</td><td>Approximately 22 months (Dec 2054 to Oct 2056)</td></tr>
<tr><td>Carried vehicles</td><td>Two Echo shuttles</td></tr>
<tr><td>Home port</td><td>Star Port Station</td></tr>
</tbody></table>
<h2 id="fleet-role">Fleet role</h2>
<p>Within the Xihe-class fleet, Taibai is positioned as the primary platform for inner Solar System and Mars-system missions. Unlike the lead ship Xihe (emphasizing technology validation and outer Solar System expeditions) and the third ship Changxi (emphasizing deep-space communications relay deployment), Taibai's mission record concentrates on Mars base resupply, asteroid belt exploration, and near-Earth rapid response, reflecting the Xihe class's flexible division of labor across multiple mission directions.</p>
<p>Taibai was the first Xihe-class ship to extend the class's mission range into the asteroid belt (Vesta Mission, 2057-2058) and consecutively executed Mars Expeditions 3 and 4, establishing the ship as the core Mars base trunk-line resupply platform. Among the three active Xihe-class ships, Taibai has maintained the most consistent operational tempo and accumulated extensive Mars-system operations and asteroid-belt deep-space experience.</p>
<p>As of March 2060, the Xihe-class fleet has three active ships (XH-01 Xihe, XH-02 Taibai, XH-03 Changxi) and one under construction (XH-04). Taibai is in post-mission maintenance and is expected to resume inner Solar System and Mars-system missions after servicing is complete.</p>
<h2 id="see-also">See also</h2>
<ul>
<li><a href="/home/Exploration_Motherships/Xihe">Xihe-class interplanetary exploration mothership</a></li>
<li><a href="/home/Exploration_Motherships/Xihe/XH-01">Xihe (XH-01)</a></li>
<li><a href="/home/Exploration_Motherships/Xihe/XH-03">Changxi (XH-03)</a></li>
<li><a href="/home/Exploration_Motherships/Stellaria">Stellaria-class interplanetary exploration mothership</a></li>
<li><a href="/home/Space_Shuttles/Echo_Shuttle">Echo Shuttle</a></li>
<li><a href="/home/Stations/Star_Port_Station">Star Port Station</a></li>
<li><a href="/home/Cargo_Ships/Qingtian">Qingtian cargo vehicle</a></li>
<li><a href="/home/Cargo_Ships/Qingtian">Qingtian cargo ship</a></li>
<li><a href="/home/Bases/Mars_One">Mars One Base</a></li>
<li><a href="/home/Bases/Vesta">Vesta</a></li>
</ul>
</article>
</article>
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<h1 id="changxi-xh-03">Changxi (XH-03)</h1>
<table class="infobox">
<caption>Changxi (XH-03)<span>XH-03</span></caption>
<tbody>
<tr><td><div class="image-placeholder">XH-03 Changxi side-view image placeholder</div><div class="thumbcaption">XH-03 Changxi is the third Xihe-class ship and the first purpose-modified for deep-space communications relay missions.</div></td></tr>
<tr><td><b>Name</b>: Changxi (XH-03)</td></tr>
<tr><td><div class="image-placeholder">XH-03 Changxi side-view image placeholder</div><div class="thumbcaption">XH-03 Changxi is the third Xihe-class ship, currently in its commissioning phase.</div></td></tr>
<tr><td><b>Ship name</b>: Changxi (XH-03)</td></tr>
<tr><td><b>Designation</b>: XH-03</td></tr>
<tr><td><b>Class</b>: <a href="/home/Exploration_Motherships/Xihe">Xihe-class interplanetary exploration mothership</a></td></tr>
<tr><td><b>Construction started</b>: February 2056</td></tr>
<tr><td><b>Assembly completed</b>: December 2059</td></tr>
<tr><td><b>Shakedown</b>: January 2060 to April 2060 (planned)</td></tr>
<tr><td><b>Commissioned</b>: June 2060 (planned)</td></tr>
<tr><td><b>Current status</b>: In shakedown</td></tr>
<tr><td><b>Construction method</b>: Qingtian cargo ships + Star Port Station assembly</td></tr>
<tr><td><b>Namesake</b>: Changxi (moon charioteer goddess in Chinese mythology), symbolizing the transition from cislunar space to deep space</td></tr>
<tr><td><b>Construction start</b>: 2058-02-15</td></tr>
<tr><td><b>Assembly complete</b>: 2059-12-09</td></tr>
<tr><td><b>Commissioning</b>: 2060-01-14 to 2060-06-09 (ongoing)</td></tr>
<tr><td><b>Current status</b>: In commissioning (March 2060)</td></tr>
<tr><td><b>Construction method</b>: LEO assembly</td></tr>
</tbody></table>
<p><b>Changxi</b> (designation XH-03) is the third ship of the <a href="/home/Exploration_Motherships/Xihe">Xihe-class interplanetary exploration mothership</a> and the first Xihe-class vessel purpose-modified for deep-space communications relay missions. Named after Changxi, the moon charioteer goddess in Chinese mythology, the name reflects the ship's role bridging cislunar space and deep-space operations. Construction began in February 2056 and assembly was completed in December 2059, making Changxi the longest-build Xihe-class ship at approximately 46 months. As of March 2060, Changxi is in its shakedown phase and is expected to be formally commissioned in June 2060.</p>
<p>Changxi follows the nine-module axial spine configuration of the Xihe class, integrating the Perseverance mass-driver propulsion system, an Ark cold-fusion reactor, closed-loop life support, an artificial-gravity habitation ring, and reinforced docking hardware. Compared with its sister ships, Changxi's most distinctive feature is an enhanced deep-space communications suite integrated during construction, making it the first Xihe-class platform purpose-built for Jupiter relay network deployment and deep-space communications infrastructure support.</p>
<p>Changxi's construction overlapped with operations of XH-01 Xihe and XH-02 Taibai, and the resource allocation required for three concurrent ships significantly extended its build time. However, this extended period also allowed the construction team to fully incorporate operational feedback from the first two ships into Changxi's design, achieving the highest level of systems integration in the Xihe class, particularly in communications, life support, and data management. The ship is not capable of atmospheric re-entry or planetary landing; surface access is provided by carried Echo shuttles.</p>
<p><b>Changxi</b> (designation <b>XH-03</b>) is the third ship of the <a href="/home/Exploration_Motherships/Xihe">Xihe-class interplanetary exploration mothership</a>. Changxi began construction on 2058-02-15, completed assembly on 2059-12-09, and entered the commissioning phase on 2060-01-14. As of March 2060, Changxi is undergoing commissioning tests and is expected to complete on 2060-06-09, after which it will transition to pre-service maintenance. Changxi has no deep-space mission record yet.</p>
<nav class="toc" aria-label="Contents">
<div class="toc-title">Contents</div>
<ol>
<li><a href="#design-overview">Design overview</a></li>
<li><a href="#construction">Construction</a></li>
<li><a href="#commissioning">Commissioning</a></li>
<li><a href="#operational-history">Operational history</a></li>
<li><a href="#mission-outlook">Mission outlook</a></li>
<li><a href="#specifications">Specifications</a></li>
<li><a href="#fleet-role">Fleet role</a></li>
<li><a href="#see-also">See also</a></li>
</ol>
</nav>
<h2 id="design-overview">Design overview</h2>
<p>Changxi is the third Xihe-class ship, using an axial-spine multi-module cylindrical layout with an overall length of 83.4 m, a maximum diameter of 25 m at the artificial-gravity habitation ring, a full-load delta-v of about 1,700 km/s, and a maximum payload of 300 t. Functional zones are arranged along the central axis: forward docking hub, command center, artificial-gravity habitation ring, static habitation module, central docking hub, greenhouse module, main storage module, truss section, and propulsion module.</p>
<p>Changxi's most prominent design feature is its enhanced deep-space communications suite, integrated during construction rather than added as a post-build modification. The suite includes a high-gain deep-space communications antenna array, multi-band relay transceivers, laser communications terminals, and dedicated data processing units, providing stable communications relay capability at Jupiter distances and beyond. Unlike standard Xihe-class ships that would require mission-specific communications equipment to be added later, Changxi's suite was pre-installed in the truss section and central docking hub, fully integrated with the ship's power, thermal control, and data buses.</p>
<p>Beyond the communications enhancement, Changxi comprehensively benefits from XH-01 and XH-02 operational experience: the habitation module uses the same improved configuration as Taibai, radiation shielding is further thickened in critical areas, and the water-recycling system achieves a closed-loop recovery rate above 97%. These improvements give Changxi greater autonomy and survivability for Jupiter-system high-radiation environments and long-duration communications relay missions.</p>
<h2 id="construction">Construction</h2>
<h3>Background and challenges</h3>
<p>Changxi began construction at Star Port Station in February 2056, the second Xihe-class ship assembled at the station (after Taibai). The construction period coincided with the peak of XH-01's Mars expeditions and Jovian-system missions, as well as XH-02's Vesta mission and Mars expeditions. Running three ships concurrently placed significant strain on personnel, materiel, and Star Port Station's shipyard resources.</p>
<p>This resource dispersion is directly reflected in the build time: from February 2056 to December 2059, approximately 46 months—the longest Xihe-class construction to date. However, the extended construction period was not without value—it gave the build team ample time to incorporate the latest operational data from XH-01 and XH-02 into Changxi's design. Integrating the communications suite during construction rather than as a retrofit avoided the structural interference and system conflicts that a post-build modification might have caused.</p>
<p>Changxi's construction relied on Qingtian cargo ships for large-module transport and Star Port Station for assembly platform and integration environment. The Jupiter relay communications equipment—including the high-gain antenna array, relay transceivers, and laser communications terminals—was integrated during the truss-section assembly phase, with waveguides, power feeds, and data links pre-routed along the ship's axis, forming an organic whole with the ship's systems.</p>
<p>Changxi's construction began on 2058-02-15 using low Earth orbit assembly, with a construction period of approximately 22 months. Construction proceeded in parallel with <a href="/home/Exploration_Motherships/Xihe/XH-02">Taibai (XH-02)</a>'s operational missions and the Stellaria-class construction program. Like Taibai, Changxi was assembled at <a href="/home/Stations/Star_Port_Station">Star Port Station</a> using <a href="/home/Cargo_Ships/Qingtian">Qingtian cargo ships</a> for large-module transport. Changxi completed assembly on 2059-12-09, and formally began commissioning on 2060-01-14.</p>
<h3>Construction timeline</h3>
<table>
<thead><tr><th>Phase</th><th>Period</th><th>Main activity</th></tr></thead>
<thead><tr><th>Phase</th><th>Start</th><th>End</th><th>Duration</th></tr></thead>
<tbody>
<tr><td>Construction start</td><td>February 2056</td><td>First structural module delivered to Star Port Station; construction initiated.</td></tr>
<tr><td>Foundation structure</td><td>February 2056 to June 2057</td><td>Spine structure, propulsion module, and truss section assembly; communications antenna array pre-integration.</td></tr>
<tr><td>Major assembly</td><td>June 2057 to June 2059</td><td>Habitation modules, docking hubs, greenhouse, storage modules integrated sequentially; communications equipment installation and calibration completed.</td></tr>
<tr><td>Full-ship integration</td><td>June 2059 to December 2059</td><td>Cross-module verification, full system inspection, end-to-end communications link testing.</td></tr>
<tr><td>Assembly complete</td><td>December 2059</td><td>Major assembly took approximately 46 months; entered shakedown phase.</td></tr>
<tr><td>Construction</td><td>2058-02-15</td><td>2059-12-09</td><td>~22 months</td></tr>
<tr><td>Assembly complete (standby)</td><td>2059-12-09</td><td>2060-01-14</td><td>36 days</td></tr>
<tr><td>Commissioning (ongoing)</td><td>2060-01-14</td><td>Expected 2060-06-09</td><td>~146 days</td></tr>
</tbody></table>
<h2 id="commissioning">Commissioning</h2>
<p>Changxi began its commissioning phase on 2060-01-14, planned to last approximately 146 days, covering comprehensive Earth orbit systems checks, cislunar space maneuver validation, and deep-space communications testing. As of 2060-03-12, commissioning is in progress. After expected completion on 2060-06-09, Changxi will transition to pre-service maintenance before formal entry into service.</p>
<h2 id="operational-history">Operational history</h2>
<h3>Shakedown (January 8, 2060 to April 12, 2060, planned)</h3>
<p>Changxi began its shakedown phase at Star Port Station on January 8, 2060, with a planned duration of approximately three months (to April 12, 2060). The shakedown is divided into three stages designed to comprehensively validate all ship systems and the real-world performance of the enhanced deep-space communications suite.</p>
<h4>Earth orbit and GEO tests (January to February 2060)</h4>
<p>The first shakedown stage focused on low Earth orbit and geostationary orbit maneuver tests. Changxi completed full-thrust-profile propulsion validation, artificial-gravity ring rotation tests, long-duration life-support system evaluation, and ship-wide thermal control response testing. During this stage, the deep-space communications suite completed end-to-end link calibration with Star Port Station and ground control centers, along with validation of multiple communications mode switching.</p>
<h4>Lunar orbit round trip (February to March 2060)</h4>
<p>The second stage targeted lunar orbit, validating Changxi's Earth-Moon transfer capability and long-range navigation performance. Changxi departed from low Earth orbit, completed Earth-Moon transfer, lunar orbit insertion, and return maneuvers. This stage also tested the communications antenna array's pointing accuracy and relay forwarding capability at Earth-Moon distances, accumulating baseline data for subsequent Jupiter-distance communications missions.</p>
<h4>Deep-space communications relay tests (March to April 2060)</h4>
<p>The third stage is a dedicated deep-space communications relay test, which began in March 2060. Test items include multi-band relay forwarding, laser communications terminal long-distance lock stability, communications link interference resistance, and autonomous protocol switching under simulated Jupiter-distance communications delays. This stage is the core validation element of Changxi's shakedown, directly determining the technical readiness for the subsequent Jupiter relay network deployment mission.</p>
<p>As of March 2060, Changxi's shakedown is progressing on schedule. All test objectives for the first two stages have been met, and the deep-space communications relay tests are in progress. After shakedown concludes, Changxi is expected to be formally commissioned in June 2060.</p>
<table>
<thead><tr><th>Shakedown stage</th><th>Period</th><th>Content</th><th>Status</th></tr></thead>
<tbody>
<tr><td>Earth orbit and GEO tests</td><td>2060-01 to 2060-02</td><td>Propulsion validation, life-support evaluation, communications link calibration.</td><td>Complete</td></tr>
<tr><td>Lunar orbit round trip</td><td>2060-02 to 2060-03</td><td>Earth-Moon transfer, lunar orbit insertion, antenna pointing accuracy verification.</td><td>Complete</td></tr>
<tr><td>Deep-space communications relay tests</td><td>2060-03 to 2060-04</td><td>Multi-band relay, laser lock stability, autonomous protocol switching verification.</td><td>In progress</td></tr>
</tbody></table>
<h2 id="mission-outlook">Mission outlook</h2>
<p>After commissioning, Changxi will undertake two primary mission directions: Jupiter relay communications network deployment and Europa Outpost support.</p>
<h3>Jupiter relay communications network deployment</h3>
<p>Changxi's core mission is deploying a relay communications satellite network in the Jovian system. This network will cover communications links between Jupiter's major moons (Europa, Io, Ganymede, and Callisto) and Earth, providing stable, lower-latency communications infrastructure for subsequent long-duration Jovian-system scientific expeditions, Europa Outpost operations, and crewed missions. Changxi's enhanced deep-space communications suite allows it to simultaneously serve as network coordination node and communications test platform during relay satellite deployment.</p>
<p>Network deployment is expected to proceed in phases: first, backbone node satellites will be placed in high Jupiter orbit; next, local relay stations will be positioned around the major moons; finally, network interconnection and end-to-end validation will be completed. Throughout the deployment process, Changxi will serve as a mobile command and control center, handling satellite release, orbital calibration, link establishment, and network integration.</p>
<h3>Europa Outpost support</h3>
<p>Changxi's second mission direction is providing communications and logistics support for Europa Research Outpost. As the first Xihe-class ship purpose-optimized for deep-space communications relay, Changxi can provide high-bandwidth relay links between the outpost and Earth while using its mothership-class platform for cargo transfer, crew rotation, and emergency evacuation capability.</p>
<p>Changxi is the first Xihe-class ship designated from the design phase with deep-space communications infrastructure as its primary mission direction. This role complements XH-01 (emphasizing technology validation and outer Solar System expeditions) and XH-02 (emphasizing inner Solar System and Mars-system missions), reflecting the Xihe-class fleet's diversified development in mission specialization.</p>
<p>Changxi has no deep-space mission record yet.</p>
<h2 id="specifications">Specifications</h2>
<table>
<thead><tr><th>Parameter</th><th>Value</th></tr></thead>
<tbody>
<tr><td>Type</td><td>Crewed interplanetary exploration mothership (Xihe class)</td></tr>
<tr><td>Configuration</td><td>Axial-spine multi-module cylindrical layout</td></tr>
<tr><td>Length</td><td>83.4 m</td></tr>
<tr><td>Maximum diameter</td><td>25 m at the artificial-gravity habitation ring</td></tr>
<tr><td>Class</td><td>Xihe-class interplanetary exploration mothership</td></tr>
<tr><td>Construction period</td><td>Approximately 22 months</td></tr>
<tr><td>Propulsion</td><td>Perseverance mass-driver propulsion system</td></tr>
<tr><td>Main reactor</td><td>Ark cold-fusion reactor, about 8 TW output class</td></tr>
<tr><td>Thrust</td><td>2,400 kN standard mode; 3,800 kN high-thrust mode</td></tr>
<tr><td>Specific impulse</td><td>500,000 s standard mode; 250,000 s high-thrust mode</td></tr>
<tr><td>Full-load delta-v</td><td>About 1,700 km/s with 300 t payload</td></tr>
<tr><td>Maximum payload</td><td>300 t including surface vehicles and supplies</td></tr>
<tr><td>Long-duration crew</td><td>15</td></tr>
<tr><td>Short-duration crew</td><td>30</td></tr>
<tr><td>Artificial gravity</td><td>About 0.41 g from the rotating habitation ring</td></tr>
<tr><td>Carried vehicles</td><td>Typically two Echo shuttles, or an Echo plus Amalthea-type compatible vehicle mix</td></tr>
<tr><td>Communications system</td><td>Enhanced deep-space communications suite (high-gain antenna array, multi-band relay transceivers, laser communications terminals, dedicated data processing units)</td></tr>
<tr><td>Construction method</td><td>Qingtian cargo ships + Star Port Station assembly</td></tr>
<tr><td>Build duration</td><td>Approximately 46 months (Feb 2056 to Dec 2059)</td></tr>
<tr><td>Carried vehicles</td><td>Two Echo shuttles</td></tr>
<tr><td>Home port</td><td>Star Port Station</td></tr>
</tbody></table>
<h2 id="fleet-role">Fleet role</h2>
<p>Within the Xihe-class fleet, Changxi is positioned as the dedicated platform for deep-space communications infrastructure and Jupiter-system relay network deployment. Unlike the lead ship Xihe (multi-role comprehensive validation and outer Solar System expeditions) and the second ship Taibai (inner Solar System and Mars-system workhorse), Changxi's mission direction centers on communications relay, representing the Xihe class's evolution from general-purpose motherships toward mission-specialized platforms.</p>
<p>Changxi's enhanced deep-space communications suite gives it unique mission advantages among the three Xihe-class ships: in distant mission scenarios such as the Jovian system, Changxi can not only perform mothership-class transport and support missions but also simultaneously serve as a mobile relay communications node, substantially enhancing communications capability and network redundancy in the mission area. This role is critically important for subsequent large-scale Jovian-system scientific expeditions and Europa Outpost expansion.</p>
<p>As of March 2060, the Xihe-class fleet has three active ships (XH-01 Xihe is in the Jovian system on Europa Expedition 3; XH-02 Taibai is in post-mission maintenance; XH-03 Changxi is in shakedown) and one under construction (XH-04). Changxi will soon become the fourth Xihe-class mothership to enter operations, and its communications relay specialization will significantly enhance humanity's sustained presence capability in the Jovian system.</p>
<h2 id="see-also">See also</h2>
<ul>
<li><a href="/home/Exploration_Motherships/Xihe">Xihe-class interplanetary exploration mothership</a></li>
<li><a href="/home/Exploration_Motherships/Xihe/XH-01">Xihe (XH-01)</a></li>
<li><a href="/home/Exploration_Motherships/Xihe/XH-02">Taibai (XH-02)</a></li>
<li><a href="/home/Exploration_Motherships/Stellaria">Stellaria-class interplanetary exploration mothership</a></li>
<li><a href="/home/Space_Shuttles/Echo_Shuttle">Echo Shuttle</a></li>
<li><a href="/home/Stations/Star_Port_Station">Star Port Station</a></li>
<li><a href="/home/Cargo_Ships/Qingtian">Qingtian cargo vehicle</a></li>
<li><a href="/home/Bases/Europa_Research_Outpost">Europa Research Outpost</a></li>
<li>Jupiter relay communications network</li>
<li><a href="/home/Cargo_Ships/Qingtian">Qingtian cargo ship</a></li>
</ul>
</article>
</article>