Long March 4B | Tianhui 7
Launch Successful
L - -- : -- : -- : --
Launch Window
Dec. 30, 2025, 4:04 a.m. - Dec. 30, 2025, 4:32 a.m.
Dec. 30, 2025, 4:04 a.m. - Dec. 30, 2025, 4:32 a.m.
A satellite officially described as for cartography purposes, details TBD.
Launch success.
Added launch per NOTAMs; Payload and launch vehicle identities uncertain.
The Long March 4B (Chinese: 长征四号乙火箭), also known as the Chang Zheng 4B, CZ-4B and LM-4B is a Chinese orbital carrier rocket. Launched from Launch Complex 1 at the Taiyuan Satellite Launch Center, it is a 3-stage rocket, used mostly to place satellites into low Earth and sun synchronous orbits.
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.
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