China’s Operational Onshore and Offshore Launch Sites 2026

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Key Takeaways

• China operates five onshore spaceports and one offshore maritime launch hub across four coastal and inland regions.
• Commercial pads at Jiuquan and Hainan alongside Shandong sea vessels drove 92 launches in 2025 and 72 by October 2026.
• Coastal pads in Wenchang and mobile Yellow, East China, and South China Sea ships eliminate inland stage-drop hazards.

How China Built a Six-Hub Onshore and Offshore Launch Architecture

On October 21, 2026, mission controllers seated inside a newly commissioned land-based control hall in Rizhao, Shandong Province, transmitted final ignition commands to a Ceres-1S Y8 carrier rocket positioned aboard the self-propelled launch vessel Dongfang Hangtiangang in the Yellow Sea. Seconds after liftoff at 11:39 a.m. Beijing time, the four-stage rocket climbed over open water and delivered the Xiguang-4 01 remote-sensing satellite into low Earth orbit (LEO). New Space Economy’s report on Rizhao directing an offshore launch documents how that mission extended China’s offshore launch record to 28 consecutive successes since June 2019 and demonstrated a shore-commanded operating model for maritime spaceports.

Eleven days earlier, on October 10, 2026, a liquid-fueled Long March 12 rocket lifted off from Launch Complex 2 at the Hainan International Commercial Aerospace Launch Center on China’s southern island province of Hainan, placing the 27th group of state broadband satellites into orbit. As examined in New Space Economy’s analysis of China’s latest satellite internet launch, those back-to-back coastal and maritime departures illustrate a structural shift in how China accesses space. According to the China National Space Administration (CNSA), China completed 92 space launch missions in 2025, representing a 35% increase over the 68 orbital launches conducted in 2024. Live orbital tracking compiled by Orbital Radar as of October 21, 2026, records 72 Chinese orbital launch attempts year-to-date in 2026, sustaining an active national fleet of 1,330 satellites, the second-largest operational constellation portfolio in the world behind the United States.

For more than four decades after China orbited its first satellite in April 1970, every Chinese orbital rocket departed from three inland military bases established during the Cold War: the Jiuquan Satellite Launch Center in the northwestern Gobi Desert, the Taiyuan Satellite Launch Center in the northern hills of Shanxi Province, and the Xichang Satellite Launch Center in the southwestern valleys of Sichuan Province. Constructed under Mao Zedong’s Third Front defense industrialization campaign to shield strategic missile ranges from coastal attack, those three inland bases remain subordinate to the People’s Liberation Army Aerospace Force (PLAAF) and operated in partnership with the state-owned China Aerospace Science and Technology Corporation (CASC). Although those inland complexes still carry a large share of national missions, their landlocked geography limits rocket core diameters to China’s 3.35-meter railway tunnel gauge and forces spent lower stages to fall along populated overland corridors.

Between 2016 and October 2026, Chinese space planners resolved those geographic and capacity bottlenecks by adding three coastal and maritime launch hubs alongside dedicated commercial launch zones. First, the state-operated Wenchang Space Launch Site on Hainan Island opened in June 2016 to handle 5-meter-diameter heavy-lift rockets delivered by sea and to support space station, lunar, and interplanetary missions. Second, the Haiyang Oriental Spaceport in Shandong Province began sea launches in June 2019, growing into a full industrial port that dispatches mobile launch ships across the Yellow Sea, the East China Sea, and the South China Sea. Third, the corporate-managed Hainan International Commercial Aerospace Launch Center inaugurated its first pad in November 2024 and its second pad in March 2025, giving China its first non-military commercial spaceport. Concurrently, Jiuquan expanded outward by opening the Dongfeng Commercial Space Innovation Pilot Zone, where private and state-backed rocket companies operate dedicated liquid-propellant and solid-propellant pads.

Evaluating China’s launch infrastructure as of October 22, 2026, requires separating these six actively operating complexes and maritime hubs from regional proposals that have not yet reached orbital flight status. In April 2021, provincial authorities in Zhejiang announced a 20-billion-yuan ($3.08 billion) infrastructure plan to construct a commercial spaceport in Xiangshan County near Ningbo at roughly 29 degrees north latitude. Although municipal engineering and aerospace industrial park development proceeded in Ningbo during the 14th Five-Year Plan period, Xiangshan has not conducted orbital launches as of October 2026, leaving China’s operational cadence anchored by five onshore launch centers and one offshore maritime home port. New Space Economy’s overview of spaceport site selection trade-offs explains how orbital inclination access, downrange overflight safety, transport logistics, and range control capacity determine how a national launch network divides missions across sites.

The table below summarizes China’s six operational onshore and offshore launch complexes and hubs as of October 2026.

Jiuquan Satellite Launch Center and the Dongfeng Commercial Space Pilot Zone

Founded on October 20, 1958, as China’s first ballistic missile and space test range, the Jiuquan Satellite Launch Center (JSLC) is the oldest, largest, and most diverse launch base in the Chinese space program. Known within the military hierarchy as Base 20 or Dongfeng Aerospace City (Base 10), the facility spans roughly 2,800 square kilometers (1,081 square miles) across Ejin Banner in Inner Mongolia’s Alxa League and Jinta County near Jiuquan in Gansu Province, bisected by the Ruo Shui river at 40.96 degrees north latitude. With more than 300 days of clear desert weather annually and flat Gobi terrain at approximately 1,000 meters (3,281 feet) elevation, Jiuquan has conducted 269 orbital launches through mid-October 2026, evolving from a single state range into a hybrid complex that pairs China’s crewed spaceflight pad with the nation’s busiest commercial rocket test zone.

State Human Spaceflight and Sun-Synchronous Operations at Launch Area 4

Jiuquan’s historical North Launch Complex (Launch Areas 2 and 3), which launched China’s first artificial satellite, Dong Fang Hong 1, aboard a Long March 1 rocket on April 24, 1970, was retired from orbital service in 1996. All current state orbital flights depart from Launch Area 4 in the South Launch Complex, which houses two adjacent fixed launch pads served by a massive vertical assembly and integration building.

South Launch Site 1 (SLS-1, designated Pad 43/91) has served since November 1999 as the sole crew-rated orbital launch pad in China. Engineered specifically for the hypergolic propellant Long March 2F rocket and the China Manned Space Agency (CMSA) Shenzhou program, SLS-1 uses a “three-vertical” integration method in which the rocket and spacecraft are stacked vertically inside a climate-controlled assembly hall and rolled 1,500 meters (4,921 feet) along twin rail tracks to the umbilical tower. Every Chinese astronaut mission since Yang Liwei’s historic Shenzhou 5 flight in October 2003 has lifted off from SLS-1, including Shenzhou 20 in April 2025, Shenzhou 21 in October 2025, and Shenzhou 23 on May 24, 2026. On November 25, 2025, SLS-1 also demonstrated rapid contingency readiness by launching the uncrewed Shenzhou 22 ferry as China’s first emergency replacement spacecraft after orbital debris damaged the docked Shenzhou 20 return vehicle at the Tiangong space station. In addition to crewed flights, SLS-1 launches the Long March 2F/T variant carrying China’s reusable experimental spaceplane, which lifted off on its fourth orbital mission on February 7, 2026.

Immediately adjacent to the crewed pad, South Launch Site 2 (SLS-2, designated Pad 43/94) entered service in November 2003 and had accumulated 137 orbital launches by September 2026. SLS-2 supports the hypergolic Long March 2C, Long March 2D, Long March 4B, and Long March 4C vehicles, launching optical and synthetic aperture radar reconnaissance satellites, space science observatories, and international export payloads into low Earth orbit and sun-synchronous orbit (SSO) at inclinations between 41 and 98 degrees. In 2025, the Long March 2D rocket passed its 100th consecutive successful flight milestone from China’s state pads, and in May 2025 an SLS-2 launch deployed the first 12 spacecraft of the Three-Body Space Computing Constellation equipped with 100-gigabit-per-second laser inter-satellite links. During 2026, SLS-2 missions included the January 15 and January 31 deployments of Algeria’s AlSat-3A and AlSat-3B remote-sensing satellites on Long March 2C rockets, the July 1 launch of the Haiyang-2E ocean radar altimetry satellite on a Long March 4B, and the September 10 launch of six Yaogan-53 and Yaogan-56 satellites.

Dedicated Private and Reusable Rocket Pads in the Dongfeng Pilot Zone

Following the State Council’s 2014 Document 60 directive opening space infrastructure to private investment, Jiuquan established the Dongfeng Commercial Space Innovation Pilot Zone across desert tracts south and east of Launch Area 4. As detailed in New Space Economy’s profile of China’s commercial space rise, this pilot zone solves a major operational challenge for venture-backed and state-affiliated rocket builders by providing standardized range safety, meteorological tracking, propellant supply, and individually leased pads tailored to methane, kerosene, and solid propulsion systems.

At Launch Site 95 (Pads 95A and 95B), flat concrete pads support road-mobile transporter-erector-launchers for solid-fueled rockets. Since September 2013, LS-95 has hosted 69 orbital launches across ExPace’s Kuaizhou-1A and Kuaizhou-11, CASC’s Long March 11 and Jielong-1, iSpace’s Hyperbola-1 (which completed China’s first private orbital launch there in July 2019), and Galactic Energy’s Ceres-1 and Ceres-2 vehicles. On September 17, 2026, a Kuaizhou-11 lifted off from LS-95A carrying two Spacety synthetic aperture radar satellites, capping a burst in which China launched four different rockets within 45 hours, a milestone evaluated in New Space Economy’s analysis of China’s four launches in 45 hours.

South of LS-95, five liquid-propellant commercial and state reusable pads have transformed the Dongfeng zone into China’s primary proving ground for reusable orbital boosters:

• LandSpace Launch Site 96 and Pad 96B: Beijing-based LandSpace built Launch Site 96 for its liquid-oxygen and liquid-methane (methalox) Zhuque-2 rocket, which made history in July 2023 as the world’s first methalox vehicle to reach orbit and completed its 10th launch on October 14, 2026, when a Zhuque-2E Y4 carried 10 satellites into sun-synchronous orbit. Adjacent Pad 96B supports LandSpace’s larger stainless-steel reusable methalox rocket, Zhuque-3, which completed its maiden orbital flight on December 3, 2025, and achieved successful first-stage booster recovery after its second orbital launch on August 18, 2026, making Zhuque-3 the second Chinese launch vehicle to recover a booster from an orbital mission.
• CAS Space Launch Sites 130 and 140: Backed by the Chinese Academy of Sciences, CAS Space operates Launch Site 130 for its four-stage solid Kinetica-1 (Lijian-1) launcher, which completed its 16th mission on September 20, 2026, following an eight-satellite deployment on June 15, 2026. At nearby Launch Site 140, CAS Space inaugurated its liquid-kerosene Kinetica-2 (Lijian-2) rocket on March 30, 2026, successfully orbiting a prototype of the Qingzhou low-cost cargo spacecraft designed for Tiangong space station resupply.
• Space Pioneer Launch Site 120 and Tianlong-3 Pad: Space Pioneer (Tianbing Technology) used Launch Site 120 to fly its liquid-kerosene Tianlong-2 rocket in April 2023, becoming the first private Chinese startup to reach orbit on a liquid-fueled vehicle on its maiden attempt, and commissioned a dedicated medium-lift pad at Jiuquan that hosted the first orbital flight attempt of the Tianlong-3 rocket on April 3, 2026.
• Galactic Energy Pallas-1 Pad: On September 1, 2026, Beijing-based Galactic Energy conducted the successful maiden orbital launch of its reusable liquid-oxygen and kerosene (kerolox) medium-lift rocket, Pallas-1 (Zhishenxing-1), from a newly built dedicated pad inside the Dongfeng zone.
• CASC Long March 12A and 12B Pad: State contractor Shanghai Academy of Spaceflight Technology (SAST), a CASC subsidiary, also built a commercial-style liquid pad at Jiuquan for its reusable 3.8-meter-diameter rocket family, conducting the maiden orbital launch of the methalox Long March 12A on December 23, 2025, and the maiden orbital launch of the kerolox Long March 12B carrying Qianfan Group 08 satellites on June 1, 2026.

The table below details the active state and commercial launch complexes operating at Jiuquan and the Dongfeng Commercial Space Innovation Pilot Zone as of October 2026.

Taiyuan Satellite Launch Center and High-Cadence Polar Constellation Deployment

Located 500 kilometers (311 miles) southwest of Beijing in Kelan County, Xinzhou, Shanxi Province, the Taiyuan launch base (TSLC) serves as China’s specialized inland facility for polar and sun-synchronous orbital missions. Established in March 1966 as Base 25 during the Third Front campaign and fully operational since 1968, Taiyuan sits at 38.85 degrees north latitude at an elevation of 1,500 meters (4,921 feet) within a mountain basin surrounded by the Loess Plateau. That high elevation and dry continental climate reduce atmospheric drag during early first-stage ascent and provide reliable year-round weather windows. Connected to China’s national rail grid by two feeder spurs off the Ningwu-Kelan railway, Taiyuan had completed 158 orbital launches across its land pads by late September 2026.

Loess Plateau Geography and Legacy Sun-Synchronous Pads at Complexes 9 and 16

Earth observation satellites, meteorological spacecraft, radar reconnaissance systems, and polar broadband constellations require orbital planes inclined between 85 and 99 degrees so that their ground tracks sweep across Earth’s entire surface as the planet rotates underneath. From Taiyuan, rockets climb on a southward flight azimuth across central and southern China, inserting payloads directly into sun-synchronous or near-polar low Earth orbits. Following the retirement of historical Launch Complex 7 in April 2009 after 26 orbital missions, Taiyuan’s legacy liquid-rocket operations shifted to Launch Complex 9 (LA-9) and Launch Complex 16 (LA-16), supplemented by a flat concrete Mobile Launcher Pad used for solid-propellant Kuaizhou-1A flights.

Commissioned in October 2008, Launch Complex 9 serves the hypergolic Long March 2C, Long March 2D, Long March 4B, and Long March 4C vehicles, reaching 85 orbital launches with the September 19, 2026 deployment of four PIESAT-2 X-band synthetic aperture radar satellites aboard a Long March 2D. Throughout 2025 and 2026, LA-9 supported high-precision civil and international remote-sensing missions, including the December 16, 2025 launch of the Ziyuan-3 04 stereo mapping satellite on a Long March 4B, the March 25, 2026 launch of China Siwei’s SuperView Neo-2 (Siwei Gaojing-2 05 and 06) radar satellites on a Long March 2D, and the August 17, 2026 launch of the United Arab Emirates Satellite for Earth Observation (SEO) aboard a Long March 2C.

One kilometer northwest of LA-9, Launch Complex 16 was completed in 2014 and inaugurated in September 2015 to support the liquid-oxygen and kerosene Long March 6 light-lift rocket. Designed with horizontal transport and rapid hydraulic erection rather than a traditional enclosed service tower, LA-16 completed its 16th launch on April 25, 2026, when a Long March 6 placed Pakistan’s PRSC-EO3 optical Earth observation satellite into low Earth orbit for the Space and Upper Atmosphere Research Commission.

Automated Smart Pad Operations at Launch Complex 9A for Long March 6A and 6C

Taiyuan’s emergence as a central hub in China’s 2025 and 2026 launch surge rests on Launch Complex 9A (LA-9A), inaugurated on March 29, 2022, as China’s first automated “smart” launch pad. Built specifically for SAST’s Long March 6A and Long March 6C rockets, LA-9A eliminates manual umbilical hookups on the pad deck by using robotic tail-service masts, automated cryogenic liquid-oxygen and kerosene loading, and remote digital checkout systems capable of supporting a 14-day pad turnaround cycle.

The Long March 6A is China’s first orbital launch vehicle to pair a liquid-propellant core stage (powered by two YF-100 kerolox engines) with four solid-propellant strap-on boosters, enabling it to lift up to 4,500 kilograms (9,921 pounds) into a 700-kilometer sun-synchronous orbit. Its single-stick derivative, the Long March 6C, omits the solid boosters to serve medium-mass sun-synchronous rideshares, completing its second orbital flight from LA-9A on August 25, 2026, with seven academic and commercial Earth observation satellites.

Between August 2024 and October 2026, LA-9A and the Long March 6A became the primary inland deployment engine for both of China’s low Earth orbit broadband megaconstellations. For Shanghai Spacecom Satellite Technology’s commercial Qianfan (Thousand Sails, or G60) constellation, Long March 6A rockets departing LA-9A regularly place 18 flat-panel broadband satellites per flight into polar orbits, including batches in January 2025, October 2025, May 2026, June 2026, and July 2026. Simultaneously, LA-9A launches five-satellite polar groups for China Satellite Network Group’s (China SatNet) state-run Guowang constellation, completing six Guowang deployments in 2025 and additional polar batches in April 2026. In January and March 2026, Long March 6A rockets from LA-9A also executed specialized dogleg trajectories to inject the Yaogan-50 01 and Yaogan-50 02 reconnaissance satellites into an unusual 142-degree retrograde orbit in low Earth space. In addition to its land pads in Shanxi, the Taiyuan Satellite Launch Center exercises administrative and operational command over the Sea Launch Team that directs offshore launches from Shandong Province.

Xichang Satellite Launch Center as the Inland Geostationary and Deep-Space Gateway

Nestled inside the Daliangshan canyon valley in Zeyuan Town, Mianning County, 64 kilometers (40 miles) northwest of Xichang in Sichuan Province’s Liangshan Yi Autonomous Prefecture, the Xichang launch complex (XSLC) is China’s principal inland spaceport for geostationary, medium Earth orbit, and deep-space missions. Operational since January 1984 and designated within the PLA Aerospace Force as Base 27 (Unit 63790), Xichang sits at 28.25 degrees north latitude at an altitude of 1,800 meters (5,906 feet). Its subtropical latitude, mild winter temperatures, and dedicated rail and highway links to Xichang Qingshan Airport and the Manshuiwan railway station allowed Xichang to accumulate 242 orbital launches through July 2026.

Cryogenic Upper-Stage Operations Across Launch Complexes 2 and 3

Whereas Jiuquan and Taiyuan focus primarily on low Earth and sun-synchronous inclinations, Xichang was engineered to launch the three-stage Long March 3A, Long March 3B/E, and Long March 3C rocket family into geostationary transfer orbit (GTO), inclined geosynchronous orbit (IGSO), medium Earth orbit (MEO), and highly elliptical Molniya-style orbits. Those rockets pair hypergolic dinitrogen tetroxide and unsymmetrical dimethylhydrazine (UDMH) first and second stages with a high-efficiency cryogenic third stage fueled by liquid hydrogen and liquid oxygen. When needed, an optional hypergolic Yuanzheng-1 (YZ-1) upper stage stacks atop the third stage to insert navigation or experimental satellites directly into high-altitude operational orbits without requiring spacecraft propellant burns.

Xichang conducts orbital launches from two side-by-side fixed complexes located 300 meters apart, Launch Complex 2 (LC-2) and Launch Complex 3 (LC-3), supplemented by a Mobile Launcher Pad that has hosted eight solid-propellant Long March 11 and Kuaizhou-1A flights through July 2025. Rebuilt between 2005 and 2006 to support China’s early Chang’e lunar orbiters and landers, LC-3 has completed 103 launches through May 30, 2026, accommodating Long March 3A, 3B, and 3C vehicles alongside hypergolic Long March 2C, Long March 2D, and Long March 4C rockets carrying low-orbit Shiyan experimental payloads and satellite internet test missions.

Launch Complex 2 serves as the heavy workhorse of the Sichuan range, recording 131 orbital launches between July 1990 and July 23, 2026. Throughout 2025 and 2026, LC-2 and LC-3 anchored China’s high-altitude civil, scientific, and defense space architecture. On May 28, 2025, a Long March 3B lifted off from LC-2 carrying China’s Tianwen-2 asteroid sample-return probe into a heliocentric transfer orbit; Tianwen-2 successfully entered orbit around near-Earth quasi-satellite asteroid 469219 Kamo’oalewa in June 2026 and conducted sample collection operations in July 2026. Xichang also launched three second-generation geosynchronous data relay satellites on Long March 3B rockets (Tianlian 2-04 in March 2025, Tianlian 2-05 in April 2025, and Tianlian 2-06 on July 23, 2026) to provide continuous telemetry, tracking, and command coverage for the Tiangong space station and low-orbit resource satellites. Additional 2025 and 2026 Xichang flights deployed the ChinaSat 10R and ChinaSat 9C broadcast satellites, the Fengyun-4C geostationary weather satellite in December 2025, multiple Tongxin Jishu Shiyan (TJS) high-altitude communications technology satellites, and the Shiyan-25 on-orbit servicing and refueling demonstrator, alongside a single third-stage failure on January 16, 2026, that lost the Shijian-32 payload.

Rail Diameter Bottlenecks and Inland Booster Drop-Zone Hazards

Despite its four-decade reliability record, Xichang illustrates the physical and environmental constraints of China’s Cold War inland spaceports. Because every rocket stage launched from Xichang must travel by rail through narrow mountain tunnels carved along the Chengdu-Kunming railway in the 1960s, core stages and strap-on boosters cannot exceed 3.35 meters (11 feet) in diameter. That rail envelope prevented Xichang from hosting China’s 5-meter-diameter Long March 5 heavy-lift rocket and prompted the transfer of heavy lunar landers (starting with Chang’e 5 in 2020) and space station modules to coastal Hainan.

Even more consequential is Xichang’s overland flight corridor. Rockets climbing southeastward from Sichuan toward geostationary transfer orbit shed their four strap-on boosters and first-stage core over mountainous counties in Guizhou, Guangxi, Hunan, and Jiangxi provinces. Following the catastrophic February 15, 1996 failure of the maiden Long March 3B carrying Intelsat 708, which veered off course two seconds after liftoff and struck Mayelin village outside the base gate, Chinese range authorities implemented strict downrange evacuation protocols, local air-raid sirens, and temporary airspace and road closures ahead of every launch. CASC engineers have also tested grid fins and parafoil guidance systems on Long March 2C and Long March 3B boosters from Xichang to shrink overland impact ellipses by up to 80%, yet the presence of residual toxic hypergolic propellants in falling stages continues to motivate China’s long-term migration toward coastal and offshore launch complexes.

Wenchang Space Launch Site and China’s Coastal Heavy-Lift and Lunar Ambitions

To overcome the rail tunnel limits and overland stage-drop risks of its three inland bases, the State Council and Central Military Commission approved the construction of China’s fourth national launch center in September 2007 at Longlou Town in Wenchang on the northeastern coast of Hainan Island. Completed in October 2014 and inaugurated on June 25, 2016, with the maiden flight of the Long March 7, the Wenchang coastal facility (WSLS) sits at 19.61 degrees north latitude and 110.95 degrees east longitude. Administratively subordinate to the Xichang Satellite Launch Center under the PLA Aerospace Force, Wenchang had completed 52 orbital and human-rating test launches across three state pads by August 2026, with 20 launches conducted from the broader Wenchang coastal complex during the first nine months of 2026 alone.

Maritime Delivery and Heavy-Lift Operations at Launch Complexes 101 and 201

Wenchang’s coastal geography at 19.6 degrees north confers three decisive engineering advantages over Jiuquan (41.0 degrees north), Taiyuan (38.8 degrees north), and Xichang (28.2 degrees north). First, proximity to the equator increases Earth’s eastward surface rotational velocity to approximately 437 meters per second (1,434 feet per second), boosting geostationary transfer orbit payload efficiency by 10% to 15% compared with Xichang and cutting the orbital plane-change delta-v needed for equatorial insertion. Second, rockets manufactured at CASC’s coastal rocket industrial base in Binhai New Area, Tianjin, are loaded onto specialized roll-on/roll-off transport ships, Yuanwang 21 and Yuanwang 22, and sailed directly to Qinglan Port in Wenchang, eliminating railway diameter limits. Third, launch azimuths between 90 and 175 degrees carry ascending rockets immediately over the open South China Sea, ensuring that jettisoned boosters and payload fairings splash down in cleared maritime zones less than 10 kilometers (6.2 miles) from the beach.

Two high-rise vertical assembly and launch complexes, Launch Complex 101 (LC-101) and Launch Complex 201 (LC-201), anchor current orbital operations at the state Wenchang base:

• Launch Complex 101 (Long March 5 and Long March 5B): LC-101 is China’s sole launch pad capable of handling the 5-meter-diameter Long March 5 and Long March 5B heavy-lift rockets, which burn non-toxic liquid oxygen and kerosene in four 3.35-meter strap-on boosters and liquid oxygen and liquid hydrogen in the core stage. Capable of delivering up to 25,000 kilograms (55,116 pounds) to low Earth orbit or 14,000 kilograms (30,865 pounds) to geostationary transfer orbit, LC-101 launched all three modules of the Tiangong space station (Tianhe in April 2021, Wentian in July 2022, and Mengtian in October 2022), the Tianwen-1 Mars orbiter and Zhurong rover in July 2020, the Chang’e 5 lunar sample return mission in November 2020, and the Chang’e 6 lunar far-side sample return mission in May 2024. Between December 2024 and June 2026, LC-101 expanded into megaconstellation and heavy defense deployments, using the Long March 5B paired with a Yuanzheng-2 upper stage to launch 10-satellite batches of the Guowang broadband constellation (Groups 01, 03, and 08) and using the three-stage Long March 5 to launch heavy geostationary payloads including TJS-20, TJS-23, and TJS-25 on June 11, 2026. LC-101 is also scheduled to launch the Chang’e 7 lunar south pole lander and the Xuntian co-orbiting space telescope.
• Launch Complex 201 (Long March 7, 7A, 8, and 8A): Located 600 meters northeast of LC-101, LC-201 supports the 3.35-meter-diameter kerolox Long March 7 family, accumulating 33 launches between June 2016 and August 2026. The two-stage Long March 7 serves from LC-201 as the exclusive cargo launcher for the Tiangong space station, launching every automated Tianzhou resupply freighter from Tianzhou 1 in April 2017 through Tianzhou 9 in July 2025 and Tianzhou 10 on May 11, 2026. The three-stage Long March 7A, which adds a cryogenic hydrolox third stage for geostationary transfer trajectories, flew nine times from LC-201 across 2025 and 2026, deploying the Tianlian 3-01 next-generation data relay satellite on July 29, 2026, before suffering an aerodynamic structural breakup near maximum dynamic pressure 80 seconds after liftoff during the ChinaSat-4B mission on August 10, 2026. LC-201 also hosted the early flights of the medium-lift Long March 8 (including the Queqiao-2 lunar relay satellite in March 2024) and the maiden launch of the upgraded Long March 8A on February 11, 2025, before Long March 8 and 8A operations transitioned to the neighboring commercial spaceport.

Launch Complex 301 and the February 2026 Crewed Lunar Abort Milestone

To fulfill China’s stated national goal of landing two astronauts on the lunar surface before 2030, CASC and the China Manned Space Agency constructed a third state launch pad at Wenchang, designated Launch Complex 301 (LC-301). Purpose-built for the human-rated Long March 10 (a three-core kerolox vehicle powered by 21 YF-100K engines designed to send 27 metric tons to translunar injection) and its single-core reusable low-Earth-orbit derivative, the Long March 10A, LC-301 features a new vertical integration building, high-capacity flame trench, and crew access tower near the Wenchang shoreline.

Launch Complex 301 entered active flight testing on February 11, 2026, when China conducted a landmark low-altitude demonstration flight of a Long March 10A first-stage test article carrying the next-generation Mengzhou crewed spacecraft and its launch escape tower. During ascent through the region of maximum aerodynamic pressure, the Mengzhou capsule executed a successful in-flight abort separation and parachute splashdown, verifying crew escape safety for both Tiangong station rotations and lunar missions. Simultaneously, the Long March 10A test booster relit its engines and performed a controlled vertical soft landing on water in the South China Sea. With LC-301 now commissioned, China plans to conduct the first uncrewed orbital flight of the complete Long March 10A and Mengzhou-1 spacecraft from Wenchang, preparing for future dual-launch lunar missions that will pair a Mengzhou crewed spacecraft with the Lanyue lunar lander.

Hainan International Commercial Aerospace Launch Center and Megaconstellation Scale

Adjacent to the military-operated Wenchang Space Launch Site sits China’s fifth onshore spaceport and its first dedicated commercial launch facility: the Hainan International Commercial Aerospace Launch Center, also referred to as the Wenchang Commercial Space Launch Site. Unlike China’s four legacy spaceports, which are military bases managed by the PLA Aerospace Force, the Hainan commercial complex is owned and operated by a state-backed corporate enterprise, Hainan International Commercial Aerospace Launch Co., Ltd. (HICAL). Incorporated on June 2, 2022, with 1.5 billion yuan in initial capital jointly contributed by the Hainan Provincial Government, CASC, the China Aerospace Science and Industry Corporation (CASIC), and China SatNet, HICAL broke ground on July 6, 2022, and completed first-phase construction in less than 900 days. New Space Economy’s review of spaceport infrastructure and services highlights how separating commercial range scheduling from military launch queues allows constellation operators to achieve predictable, high-frequency manifest turnarounds.

Corporate Governance and High-Frequency Design at Commercial Pads 1 and 2

Between its inaugural flight on November 30, 2024, and October 10, 2026, HICAL completed 24 orbital launches across two active liquid-propellant pads with a 100% orbital insertion success rate:

• Commercial Launch Complex 1 (LC-1 / Pad 1): Completed on December 29, 2023, and inaugurated on March 11, 2025, when a Long March 8 Y6 rocket deployed 18 Qianfan broadband satellites, LC-1 is the dedicated high-frequency pad for CALT’s liquid-oxygen, kerosene, and liquid-hydrogen Long March 8 and upgraded Long March 8A vehicles. Because coastal groundwater levels in Wenchang sit close to the surface, HICAL engineers omitted a traditional deep underground concrete flame deflector trench at LC-1, installing an above-ground cone deflector paired with a high-volume water-deluge cooling and acoustic suppression system. Combined with modular propellant farm manifold switching and a bidirectional rail mobile launch platform, LC-1 supports a seven-to-14-day pad turnaround, completing 14 successful launches through September 23, 2026 (10 carrying nine-satellite Guowang batches on Long March 8A and four carrying 18-to-20-satellite Qianfan batches on Long March 8 and 8A).
• Commercial Launch Complex 2 (LC-2 / Pad 2): Completed in May 2024, LC-2 opened the entire spaceport on November 30, 2024, with the maiden flight of SAST’s 3.8-meter-diameter kerolox Long March 12 rocket, which uses four YF-100K engines to lift up to 12,000 kilograms (26,455 pounds) to low Earth orbit. Unlike traditional Chinese liquid pads tailored to a single rocket family, Pad 2 adopts a “three-horizontal” architecture comprising horizontal assembly, horizontal testing, and horizontal rail transport to the pad before hydraulic erection at the fixed umbilical tower. Using standardized mechanical and fluid adapter interfaces, LC-2 is engineered to accommodate more than 19 liquid rocket models from nine state and private manufacturers, including Long March 12, Long March 10B, Space Pioneer’s Tianlong-3, Galactic Energy’s Pallas-1, Deep Blue Aerospace’s Nebula-1, Orienspace’s Gravity-2, and CAS Space’s Kinetica-2. Through October 10, 2026, LC-2 completed 10 successful orbital launches, including nine Long March 12 flights deploying Guowang low-orbit internet batches.

Historic Net-Capture Booster Recovery and Second-Phase Expansion

On July 10, 2026, HICAL’s Launch Complex 2 hosted one of the most consequential technical milestones in Chinese spaceflight history: the maiden orbital launch of the reusable Long March 10B carrier rocket carrying the SatNet New Star Project CX-26 technology verification satellite. Approximately six minutes after lifting off from LC-2 and separating from its upper stage, the Long March 10B first stage performed a controlled reentry burn and guided itself toward a waiting offshore recovery platform named Ling Hang Zhe (Pathfinder) stationed downrange in the South China Sea. Equipped with dynamic-positioning thrusters, LiDAR laser tracking sensors, and four tall capture masts supporting a coordinated wire-arresting net, the vessel caught the descending booster stage via hooks mounted near the top of the rocket airframe. That mission made China the second nation after the United States to successfully recover a first-stage booster from an orbital launch, validating a net-capture architecture that eliminates heavy landing legs on the rocket stage.

To keep pace with China’s combined licensing target of more than 27,000 satellites across the Guowang and Qianfan constellations, HICAL initiated second-phase construction in January 2025 adjacent to its first-phase grounds. The expansion adds two additional liquid-propellant commercial pads, Launch Complex 3 (LC-3) and Launch Complex 4 (LC-4), alongside expanded satellite final assembly cleanrooms, rocket refurbishment hangars, and commercial telemetry stations integrated into the Hainan Free Trade Port’s “rocket-satellite-data” industrial cluster. As examined in New Space Economy’s study of spaceports as economic development hubs, co-locating satellite factories, customs-free component imports, and multi-tenant launch pads in Wenchang compresses transport timelines and anchors regional aerospace investment.

The table below compares the five operational coastal launch pads across the state Wenchang Space Launch Site and the Hainan International Commercial Aerospace Launch Center as of October 2026.

Haiyang Oriental Spaceport, Rizhao Command, and China’s Offshore Sea Launch Fleet

Complementing China’s five onshore spaceports is the world’s only active orbital sea-launch ecosystem, anchored at the Shandong offshore launch base (officially the Haiyang Oriental Spaceport, or China Oriental Aerospace Port) in Haiyang, Yantai, on the southern coast of Shandong Province at approximately 36.70 degrees north latitude. Whereas the Boeing-led multinational Sea Launch consortium operated a single converted oil rig, Odyssey, on two-week transits from Long Beach, California, to the equatorial Pacific between 1999 and 2014 before filing for bankruptcy, China re-engineered maritime spaceflight as a multi-tenant public-private port infrastructure. Between its inaugural Long March 11H barge launch on June 5, 2019, and the Ceres-1S Y8 mission on October 21, 2026, China’s offshore network has executed 28 orbital launches across four rocket families without a single failure, placing 167 satellites into orbit. New Space Economy’s review of ocean-based space launch and recovery explains how mobile marine platforms turn orbital inclination into an adjustable menu and remove downrange land overflight hazards entirely.

Factory-to-Pier Integration at Haiyang and the Multi-Tenant Launch Vessel Fleet

Operated under the range safety jurisdiction of the Taiyuan Satellite Launch Center’s Sea Launch Team in partnership with the Oriental Maritime Spaceport (Shandong) Development Group, Haiyang combines industrial manufacturing with maritime logistics on a single peninsula. According to an August 2026 NCSTI dispatch citing chief engineer Teng Yao, the Haiyang spaceport industrial park has attracted 30 aerospace projects with cumulative investment exceeding 32 billion yuan ($4.74 billion). Its centerpiece is China’s largest solid-propellant rocket final assembly and testing complex, capable of producing and testing 50 solid rockets and 50 propellant tanks per year.

Because solid-propellant rocket stages leave the factory sealed and fully loaded with storable propellant, integrated vehicles roll out of Haiyang’s assembly halls and travel only a few kilometers down a dedicated heavy-haul road to the loading pier. That factory-to-pier workflow eliminates cross-country rail journeys and allows a rocket to move from final acceptance checkout onto a launch ship’s deck within days. Four solid-fueled orbital launch vehicles have flown from the Haiyang fleet through October 2026:

• Long March 11H (CASC / CALT): A four-stage solid-propellant rocket capable of lifting roughly 700 kilograms (1,543 pounds) to low Earth orbit, which inaugurated Chinese sea launch on June 5, 2019, and has completed six successful offshore missions, including a November 8, 2025 launch off Rizhao carrying three Shiyan-32 satellites.
• Jielong-3, or Smart Dragon-3 (China Rocket Co. / CALT): A four-stage solid commercial launcher with a 3.35-meter fairing capable of delivering 1,500 kilograms (3,307 pounds) to a 500-kilometer sun-synchronous orbit. Since its debut on December 9, 2022, Jielong-3 has become the primary workhorse of the maritime fleet, completing 12 consecutive successful sea launches through its August 5, 2026 mission carrying hyperspectral imaging satellites for customers in Indonesia and Uzbekistan.
• Ceres-1S (Galactic Energy): The sea-launched variant of Galactic Energy’s three-stage solid and liquid-upper-stage Ceres-1 microlauncher, capable of placing 300 kilograms (661 pounds) into sun-synchronous orbit. After becoming the first private Chinese rocket to launch from sea on September 5, 2023, Ceres-1S completed six offshore missions through August 2026 (including GeeSAT and Tianqi Internet of Things batches) and its seventh offshore mission on October 21, 2026, off Rizhao.
• Gravity-1, or Yinli-1 (Orienspace): Developed by Yantai-based commercial startup Orienspace, Gravity-1 is a three-stage solid core vehicle strapped to four solid boosters that generates 600 metric tons of liftoff thrust and delivers up to 4,200 kilograms (9,259 pounds) to sun-synchronous orbit or 6,500 kilograms (14,330 pounds) to low Earth orbit. Its maiden flight from the Yellow Sea on January 11, 2024, set the world record as the most powerful all-solid orbital rocket ever flown, followed by two additional offshore flights in July 2026 and September 2026.

To launch those four rocket types, the Haiyang spaceport evolved from converted deck barges to a purpose-built vessel fleet. Early missions between 2019 and 2023 utilized modified semi-submersible and flat-deck barges including Tai Rui, De Bo 3, De Fu 15002, and Bo Run Jiu Zhou. In late 2024, the port commissioned Dongfang Hangtiangang (Oriental Spaceport), China’s first purpose-built, self-propelled multi-tenant launch ship. Engineered with modular deck tie-downs, dynamic stabilization, and roll-on/roll-off environmental shelter garages, Dongfang Hangtiangang can switch between competing rocket manufacturers in two weeks: in July 2026, the vessel sailed to the East China Sea to launch Orienspace’s Gravity-1 Y4, returned to Haiyang pier to crane off the Gravity-1 launch mount and install Jielong-3’s erector garage, and launched Jielong-3 Y12 from the Yellow Sea on August 5, 2026.

Three Maritime Launch Corridors, Shore Command in Rizhao, and 2026 National Standards

Whereas state land pads at Taiyuan and Hainan focus heavily on deploying large batches of Guowang and Qianfan broadband satellites, the offshore fleet serves as a flexible relief valve that launches mid-inclination Internet of Things constellations (such as Geely’s GeeSAT network at 50 degrees inclination and Guodian Gaoke’s Tianqi network at 45 degrees inclination), meteorological payloads, and rapid-turnaround export missions without waiting for land range slots. By sailing launch ships to tailored coordinates, range planners select over-water flight paths across three active maritime zones:

1. Yellow Sea Nearshore Corridor (Off Haiyang and Rizhao, Shandong): Used for 21 of China’s 28 sea launches through October 2026, serving both 45-to-50-degree mid-inclination orbits and southward sun-synchronous trajectories.
2. South China Sea Corridor (Off Yangjiang, Guangdong): Located near 21 degrees north latitude, where ships sail roughly 1,000 nautical miles south from Haiyang to launch Jielong-3 and Long March 11H rockets southward over the South China Sea into polar and sun-synchronous orbits.
3. East China Sea Corridor (Off Shanghai and the Yangtze River Delta): Inaugurated on July 22, 2026, when Dongfang Hangtiangang sailed to open waters 170 kilometers (106 miles) east of Shanghai to launch Orienspace’s Gravity-1 Y4 with nine satellites, followed on September 16, 2026, by another Gravity-1 launch off Shanghai carrying nine Qianfan broadband spacecraft.

Ground control and recovery infrastructure along the Shandong coast also expanded significantly during 2026. As examined in New Space Economy’s analysis of China’s new offshore command center and ground station service architectures, the coastal city of Rizhao activated a permanent land-based offshore launch command center in October 2026. Rather than requiring mission controllers to ride aboard a support ship during sea launches, Rizhao’s control hall links to the offshore launch vessel via redundant satellite and radio telemetry links to manage prelaunch health checks, countdown holds, ignition commands, and ascent tracking from shore, first demonstrated during the October 21, 2026 Ceres-1S Y8 flight.

Meanwhile, in January 2026, the Haiyang Oriental Spaceport completed construction of China’s first offshore reusable liquid-rocket test and recovery platform, designed to support hot-fire testing and vertical sea recoveries as commercial developers Orienspace (Gravity-2) and iSpace (Hyperbola-3) prepare reusable liquid boosters for late-2026 flight tests, alongside a planned sea-launch variant of CAS Space’s solid rocket, Kinetica-1H.

Following the CNSA’s November 2025 commercial space action plan and April 2026 commercial space standards system, the Standardization Administration of China approved three national standards led by the Haiyang spaceport covering offshore environmental requirements, core infrastructure metadata, and sea platform selection, taking formal effect in November 2026. New Space Economy’s guide to how satellites work as infrastructure and its assessment of China’s orbital launch capabilities show how this combination of standardized maritime operations and high-rate onshore pads underpins China’s expanding orbital economy.

The table below outlines the vessels, command facilities, and rockets that compose China’s operational offshore launch network as of October 2026.

Summary

As of October 2026, China’s operational space launch infrastructure functions as an integrated six-hub system spanning five onshore spaceports and one offshore maritime home port. Across China’s interior, the three legacy military-operated centers at Jiuquan, Taiyuan, and Xichang continue to anchor human spaceflight, sun-synchronous Earth observation, and high-altitude geostationary and deep-space missions. At the same time, major facility upgrades have modernized those inland ranges: Jiuquan’s Dongfeng Commercial Space Innovation Pilot Zone hosts eight active commercial and state reusable rocket pads that supported the orbital debuts of Zhuque-3, Long March 12A, Kinetica-2, Tianlong-3, Long March 12B, and Pallas-1 between December 2025 and September 2026, and Taiyuan’s automated Launch Complex 9A drives rapid polar deployments for the Qianfan and Guowang broadband constellations aboard Long March 6A rockets.

Along China’s coastline and continental shelf, three newer launch hubs have eliminated railway diameter bottlenecks and overland booster drop-zone hazards. On Hainan Island, the state Wenchang Space Launch Site supports heavy-lift Tiangong space station and lunar missions from Launch Complexes 101 and 201 and inaugurated Launch Complex 301 in February 2026 with the Mengzhou crewed lunar abort test, whereas the adjacent corporate-run Hainan International Commercial Aerospace Launch Center completed 24 consecutive orbital missions across Pads 1 and 2, including China’s first orbital booster net-capture recovery during the Long March 10B maiden flight on July 10, 2026. Further north in Shandong Province, the Haiyang Oriental Spaceport and the newly activated Rizhao land command center coordinate a 28-for-28 offshore sea-launch fleet operating across the Yellow Sea, the East China Sea, and the South China Sea. Together, this dual-track network of military ranges, commercial liquid pads, and mobile ocean vessels gives China the physical capacity and orbital flexibility to sustain nearly 100 launches per year and transition toward reusable boosters.

Appendix: Useful Books Available on Amazon

• China in Space: The Great Leap Forward
• China’s Space Program: From Conception to Manned Spaceflight
• Scramble for the Skies: The Great Power Competition to Control the Resources of Outer Space
• Spaceport Earth: The Reinvention of Spaceflight
• Spaceflight: A Concise History
• The Space Economy: Capitalize on the Greatest Business Opportunity of Our Lifetime
• Space Is Open for Business: The Industry That Can Transform Humanity
• When the Heavens Went on Sale: The Misfits and Geniuses Racing to Put Space Within Reach
• The Case for Space: How the Revolution in Spaceflight Opens Up a Future of Limitless Possibility

Appendix: Top Questions Answered in This Article

How Many Operational Space Launch Sites Does China Have as of October 2026?

As of October 2026, China operates six active orbital launch complexes and hubs: five onshore spaceports and one offshore maritime launch home port. The five onshore facilities are the Jiuquan Satellite Launch Center (including the Dongfeng Commercial Space Innovation Pilot Zone), the Taiyuan Satellite Launch Center, the Xichang Satellite Launch Center, the Wenchang Space Launch Site, and the Hainan International Commercial Aerospace Launch Center, complemented offshore by Shandong’s Haiyang Oriental Spaceport.

What Is the Dongfeng Commercial Space Innovation Pilot Zone at Jiuquan?

The Dongfeng Commercial Space Innovation Pilot Zone is a dedicated cluster of commercial and reusable rocket launch pads located south and east of Launch Area 4 at the Jiuquan Satellite Launch Center in northwestern China. It provides private and state-backed companies such as LandSpace, Galactic Energy, CAS Space, Space Pioneer, and ExPace with leased liquid-methane, liquid-kerosene, and solid-propellant launch pads supported by shared range safety and telemetry infrastructure.

Which Chinese Launch Site Handles Crewed Shenzhou Missions?

All Chinese crewed orbital missions through Shenzhou 23 in May 2026 have launched from South Launch Site 1 (Pad 43/91) at the Jiuquan Satellite Launch Center in the Gobi Desert aboard human-rated Long March 2F rockets. Looking toward future lunar exploration, China also commissioned Launch Complex 301 at the coastal Wenchang Space Launch Site on February 11, 2026, with an in-flight abort test of the next-generation Mengzhou crewed spacecraft atop a Long March 10A test stage.

Why Did China Build Launch Complex 9A at the Taiyuan Satellite Launch Center?

Inaugurated in March 2022, Launch Complex 9A at the Taiyuan Satellite Launch Center is China’s first automated smart launch pad, engineered for the liquid-and-solid Long March 6A and single-stick Long March 6C rockets. Its robotic umbilical connections and automated fueling systems enable a 14-day pad turnaround cycle, making it the primary inland pad for deploying polar batches of the Qianfan and Guowang broadband megaconstellations.

What Types of Missions Launch From the Xichang Satellite Launch Center?

Located at 28.25 degrees north latitude in Sichuan Province, the Xichang Satellite Launch Center serves as China’s primary inland gateway to geostationary transfer orbit, medium Earth orbit, inclined geosynchronous orbit, and deep-space trajectories. Its two fixed pads, Launch Complex 2 and Launch Complex 3, launch Long March 3A, 3B, and 3C rockets carrying BeiDou navigation satellites, Tianlian data relay satellites, ChinaSat communications payloads, Fengyun weather satellites, and the Tianwen-2 asteroid sample-return probe.

Why Are China’s Largest Rockets Launched From Wenchang on Hainan Island?

China’s inland spaceports at Jiuquan, Taiyuan, and Xichang depend on rail transport through mountain tunnels that restrict rocket core diameters to 3.35 meters. Located on the northeastern coast of Hainan Island at 19.61 degrees north, the Wenchang Space Launch Site receives 5-meter-diameter Long March 5 stages by sea from Tianjin, gains a substantial equatorial rotational velocity boost, and drops spent stages safely into the South China Sea.

How Does the Hainan International Commercial Aerospace Launch Center Differ From State Spaceports?

Unlike China’s four military-operated spaceports, the Hainan International Commercial Aerospace Launch Center is owned and operated by Hainan International Commercial Aerospace Launch Co., Ltd. (HICAL), a corporate joint venture established in June 2022. Between November 2024 and October 10, 2026, HICAL completed 24 consecutive successful orbital launches across Pad 1 (for Long March 8 and 8A) and universal Pad 2 (for Long March 12 and Long March 10B), with Pads 3 and 4 under second-phase construction.

How Did China Achieve Its First Orbital Rocket Booster Recovery in 2026?

On July 10, 2026, China achieved its first controlled first-stage booster recovery during the maiden orbital launch of the Long March 10B rocket from Pad 2 of the Hainan commercial spaceport. Six minutes after liftoff, the booster descended over the South China Sea and was caught by a LiDAR-guided wire-net system mounted aboard the dynamic-positioning recovery vessel Ling Hang Zhe, followed in August 2026 by LandSpace’s recovery of a Zhuque-3 booster launched from Jiuquan.

How Does the Haiyang Oriental Spaceport Conduct Offshore Rocket Launches?

Located in Yantai, Shandong Province, the Haiyang Oriental Spaceport combines a 50-rocket-per-year solid rocket assembly plant with a home pier that dispatches mobile launch barges and the purpose-built launch ship Dongfang Hangtiangang. Through October 21, 2026, the offshore fleet completed 28 consecutive successful orbital launches using Long March 11H, Jielong-3, Ceres-1S, and Gravity-1 rockets across the Yellow Sea, the South China Sea, and the East China Sea.

What Role Does the New Rizhao Land Command Center Play in Offshore Launches?

Activated in October 2026 in the coastal Shandong city of Rizhao, the land-based offshore launch command center allows mission controllers to conduct prelaunch health checks, countdown management, ignition commands, and flight tracking from shore rather than aboard a command ship. The facility directed its first operational mission on October 21, 2026, overseeing a Ceres-1S Y8 sea launch that placed the Xiguang-4 01 satellite into orbit.

Appendix: Glossary of Key Terms

Low Earth Orbit

The region of space extending from roughly 160 kilometers to 2,000 kilometers in altitude above Earth’s surface, where most broadband communications constellations, imaging satellites, and crewed space stations operate. Spacecraft in low Earth orbit travel at approximately 7.8 kilometers per second and complete one full revolution around Earth every 90 to 120 minutes.

Third Front

A massive Cold War defense industrialization campaign initiated by China in 1964 to relocate strategic military factories, research institutes, and missile test ranges into rugged, landlocked interior provinces. This doctrine guided the remote inland siting of the Jiuquan, Taiyuan, and Xichang satellite launch centers away from vulnerable coastal borders.

Sun-Synchronous Orbit

A near-polar low Earth orbit inclined between 96 and 99 degrees in which a satellite’s orbital plane precesses eastward at the exact rate of Earth’s annual revolution around the Sun. This geometry ensures that remote-sensing and meteorological satellites cross any given latitude at the same local solar time on every daily pass.

Hypergolic Propellant

A liquid rocket fuel and oxidizer combination, such as unsymmetrical dimethylhydrazine and dinitrogen tetroxide, that ignites spontaneously upon contact without requiring an external ignition source. Although hypergolic propellants can be stored at ambient temperatures for long periods, they are highly toxic and corrosive when residual fuel falls inside spent stages.

Methalox

A cryogenic rocket propellant combination consisting of liquid oxygen as the oxidizer and liquid methane as the fuel. Methalox burns cleaner than kerosene without leaving heavy carbon soot inside engine cooling channels, making it well suited for reusable rocket boosters such as LandSpace’s Zhuque-3 and CASC’s Long March 12A.

Kerolox

A liquid rocket propellant combination consisting of liquid oxygen and refined rocket-grade kerosene. Kerolox delivers high propellant density and strong liftoff thrust for first-stage boosters, powering China’s Long March 5 strap-on boosters, Long March 6, Long March 7, Long March 8, Long March 10, Long March 12, and Galactic Energy’s Pallas-1.

Flight Azimuth

The compass heading, measured in degrees clockwise from true north, along which a rocket flies immediately after liftoff to reach its target orbital inclination. Coastal and offshore spaceports offer wider permissible flight azimuths over open water, preventing jettisoned stages from falling near populated inland towns.

Retrograde Orbit

An orbital trajectory in which a spacecraft revolves around Earth in the direction opposite to Earth’s eastward rotation, characterized by an orbital inclination greater than 90 degrees. Launching into a retrograde orbit requires extra rocket propellant because the launch vehicle must overcome rather than benefit from Earth’s rotational velocity.

Geostationary Transfer Orbit

A highly elliptical intermediate orbit used to transfer communications, weather, and data-relay satellites from initial low-altitude rocket parking orbits up to geostationary Earth orbit at 35,786 kilometers above the equator. Launching closer to the equator at Wenchang reduces the propellant needed to flatten the spacecraft’s final orbital inclination.

Maximum Dynamic Pressure

The point during a rocket’s atmospheric ascent, commonly abbreviated as Max-Q, at which the combination of rising vehicle airspeed and surrounding air density places the greatest mechanical aerodynamic stress on the airframe. Crewed spacecraft test their launch escape systems at maximum dynamic pressure to prove astronauts can survive a worst-case booster failure.