Success
Yaogan 47
Government/Top Secret
China Aerospace Science and Technology Corporation(CASC)GovernmentLong March 4B
SSOorbit
The Yaogan 47 is a Chinese military “remote sensing” satellite of unknown purposes.
Tuesday, December 9, 2025 at 3:41 AM
Replay
Mission details
Orbital Attempt
#7,145
CASC Mission
#561
Pad Launch
#131
Location Launch
#269
Designator
2025-289
Launch Window
NET
Dec 9, 2025, 3:41 AM
Precision
Minute
Schedule Changes
1 update
Lift Off
3:33 AM
Window Open
3:56 AM
Window Close
Long March 4B Specs
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.
Length
44.1 m
Diameter
3.35 m
Launch Mass
249 t
Thrust
2,961 kN
LEO Capacity
4,200 kg
GTO Capacity
1,500 kg
Reusable
No
Maiden Flight
1999
Fastest Turnaround
5d 21h
Total Launches
56
Successful
55
Failed
1
Consecutive Success
36
Maiden flight: May 10, 1999
China Aerospace Science and Technology Corporation
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.
Founded
1999
Administrator
Chairman & President: Lei Fanpei
Total Launches
592
Successful
577
Failed
15
Pending
9
Consecutive Success
18
Jiuquan Satellite Launch Center, People's Republic of China
Jiuquan Satellite Launch Center is a Chinese spaceport located between the Ejin, Alxa, Inner Mongolia and Hangtian Town, Jinta County, Jiuquan, Gansu Province. It is part of the Dongfeng Aerospace City (Base 10).
Timezone
Asia/Shanghai
Local Launch Time
Dec 9, 2025, 11:41 AM
Total Launches
286
Total Landings
2
Coordinates
40.9581, 100.2911