Final launches of China\u2019s year began late Dec. 29, with a Long March 4B\u2014an older, hypergolic rocket\u2014lifting off at 11:12 p.m. Eastern (0412 UTC, Dec. 30) from the Jiuquan Satellite Launch Center in the Gobi Desert. The China Aerospace Science and Technology Corporation (CASC) revealed the payload to be the Tianhui-7 remote sensing satellite in a post-launch statement<\/a>.\u00a0<\/p>\n Tianhui, roughly translating to \u201csky drawing,\u201d is a remote sensing and mapping satellite series for likely both civilian and military applications. There are few details regarding the sensors and payloads for Tianhui-7, with CASC describing it as mainly for tasks such as geographic information mapping, land resource surveys and scientific experimental research.<\/p>\n The satellite\u2019s manufacturer, CASC\u2019s China Academy of Space Technology (CAST), stated<\/a> post-launch that Tianhui-7\u2019s core payload is designed to \u201cachieve world-class resolution and precision.\u201d Payload heat dissipation was identified as a mission-critical design driver, linked directly to high-resolution imaging, while also revealing that the CAST team rejected a mature, lower-risk solution in favor of a new, unproven technical architecture because it offered better imaging performance.<\/p>\n The satellite was tracked in a roughly circular 485-kilometer-altitude sun synchronous orbit.<\/p>\n Shijian-29 A and B<\/p>\n Tianhui-7 was followed less than a day later by China\u2019s final launch of the year. A Long March 7A lifted off at 5:40 p.m. Eastern (2240 UTC) Dec. 30 from the coastal Wenchang Satellite Launch Center on the southern island province of Hainan.<\/p>\n CASC revealed<\/a> the launch to carry the Shijian-29 A and B satellites when announcing launch success. The pair are described as being used mainly to \u201cconduct verification tests of new technologies for space target detection.\u201d This broad definition could refer to space situational awareness (SSA) purposes. Shiyan-12 (01) and (02), launched on a Long March 7A in 2021, are thought to be both technology pathfinders and geostationary SSA assets.<\/p>\n Little is known about the satellites, as is typical for the Shijian series<\/a>, which includes a diverse array of spacecraft used variously to conduct experiments, test new technologies and verify operational practices on orbit. Two satellites in the series this year conducted pioneering refueling tests<\/a> around the geostationary belt.<\/p>\n CASC stated that Shijian-29 A was built by the corporation\u2019s Shanghai Academy of Spaceflight Technology (SAST), while Microsat under the Chinese Academy of Sciences (CAS) stated<\/a> it provided satellite B.\u00a0<\/p>\n The pair are likely headed for geostationary transfer orbit, given the launch vehicle and airspace closure notices, though this was not confirmed by orbital tracking at time of launch. The Long March 7A has, exceptionally, also sent satellites into medium Earth orbits with the Yaogan-45<\/a> and Yaogan-46<\/a> missions.<\/p>\n China\u2019s 2025 launch record<\/p>\n The launches were China\u2019s 91st and 92nd orbital launch attempts of 2025, far surpassing<\/a> its previous record of 68, set in 2024<\/a>. There were just two failures, seeing the loss of a Zhuque-2E methalox rocket (Landspace) and a Ceres-1 solid rocket (Galactic Energy).<\/p>\n A big driver for China\u2019s growing launch cadence was the country\u2019s two megaconstellations, Guowang<\/a> and Qianfan<\/a>\/Thousand Sails. There were 16 launches for the former alone, as China seeks to construct its own commercial and strategic response to Starlink and other systems. Also helping to facilitate the growth in launches was the new Hainan commercial spaceport\u2014also expected to see pads 3 and 4 come online in 2026\u2014and the expansion of a commercial zone at Jiuquan spaceport.<\/p>\n Jiuquan hosted 33 launches, up from 21 last year, while Wenchang and Hainan accelerated from nine launches to 21, eclipsing the 19 launches from Xichang in southwest China. There was also a relative drop in reliance on older, hypergolic Long March 2, 3 and 4 series rockets, with newer kerosene rockets including the Long March 5, 6, 7 and 8 series being used more regularly and with much greater payloads in terms of mass.<\/p>\n CASC claimed overall responsibility for 73 of the launches, with the rest performed by state-spinoffs Expace and CAS Space, and commercial launch service providers Galactic Energy, Landspace, iSpace and Orienspace. Three new rockets had debut launches in 2025, namely the Long March 8A<\/a>\u2014which has now flown five times\u2014Landspace\u2019s Zhuque-3<\/a> and the Long March 12A<\/a>.\u00a0<\/p>\n The latter two notably marked China\u2019s first two attempts at recovering an orbital booster. While recovery attempts failed, both second stages (without payloads) successfully reached orbit. Landspace has indicated that it is targeting April 2026 for a second launch.<\/p>\n
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