China Aerospace Science and Technology Corporation · Long March 4B
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Launch Date
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Rocket
Long March 4B
Launch Pad
Launch Area 94 (SLS-2 / 603) — Jiuquan Satellite Launch Center, People's Republic of China
Launch Window
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Current Stage
Orbit Insertion
Payload deployed to target orbit — primary mission success
9 of 9 stages complete
100%
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Mission confirmed and added to the launch manifest
Rocket assembled and transported to the launch pad
Fuelling, systems checks, and final go/no-go polling
Countdown active — T-0 within the launch window
Main engines ignite and the vehicle clears the tower
Maximum aerodynamic pressure on the vehicle
Main engine cutoff and first stage separates
Upper stage engine ignites to continue to orbit
Payload deployed to target orbit — primary mission success

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.

Jiuquan Satellite Launch Center, People's Republic of China
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