Long March 4C | Shiyan 28 B-01
Launch Successful
L - -- : -- : -- : --
Launch Window
July 3, 2025, 9:26 a.m. - July 3, 2025, 9:50 a.m.
July 3, 2025, 9:26 a.m. - July 3, 2025, 9:50 a.m.
Satellite officially named for "space environment detection" purposes, exact details unknown.
Launch success.
Added launch per NOTAMs; Payload and launch vehicle identities highly uncertain.
The Long March 4C, also known as the Chang Zheng 4C, CZ-4C and LM-4C, previously designated Long March 4B-II, is a Chinese orbital carrier rocket. It is launched from the Jiuquan, Taiyuan Satellite Launch Centre and Xichangs, and consists of 3 stages. Long March 4C vehicles have been used to launch the Yaogan-1, Yaogan-3 SAR satellites and the Fengyun-3A polar orbiting meteorological satellite. On December 15, 2009 a Long March 4C was used to launch Yaogan 8.
The China Aerospace Science and Technology Corporation (CASC) is the main contractor for the Chinese space program. It is state-owned and has a number of subordinate entities which design, develop and manufacture a range of spacecraft, launch vehicles, strategic and tactical missile systems, and ground equipment. It was officially established in July 1999 as part of a Chinese government reform drive, having previously been one part of the former China Aerospace Corporation. Various incarnations of the program date back to 1956.
INFO WIKI
China sent a new satellite into orbit for its experimental Shiyan series Thursday with a launch from the country’s southwest. The post China launches first classified Shiyan-28B experimental satellite appeared first on SpaceNews.
With the month of June coming to a close and July on the horizon, the… The post Launch Roundup: Gilmour Space to make debut, SpaceX plans east coast doubleheader appeared first on NASASpaceFlight.com.
A batch of 25 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.
A pair of Chinese satellites reported to be for "Earth observation technological testing and validation" purposes. Actual usage not known.
A batch of 9 Low Earth Orbit communication satellites for the Chinese state owned SatNet constellation operated by the China Satellite Network Group.…
Firefly Alpha's Flight 7 is a test flight and return-To-Flight for the launch vehicle after its April 2025 launch failure. It will test and validate …
EchoStar 25 is a direct broadcast satellite, built on the proven Maxar 1300 series platform, which will deliver content across North America. It will…
A batch of 25 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.
Note: Payload and customer identities were not publicly announced. 4th of the BlackSky Gen-3 high resolution Earth-imaging satellites.
Third flight of the KAIROS launch vehicle. 5 satellites will be on board: * TATARA-1R * SC-Sat1a * HErO * AETS-1 * Nutsat-3 (TASA/Taiwan)
A batch of 29 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.
A batch of 29 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.