Long March 4C | Shiyan 20A & 20B
Launch Successful
L - -- : -- : -- : --
Launch Window
Dec. 12, 2022, 8:14 a.m. - Dec. 12, 2022, 8:43 a.m.
Dec. 12, 2022, 8:14 a.m. - Dec. 12, 2022, 8:43 a.m.
Chinese classified satellites of unknown purposes.
Launch success.
Added launch per NOTAMs; payload and launch vehicle 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.
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