Key statistics
Satellite CZ-4C R/B at a glance.
Uptime
5621
Days in orbit
Revolutions
≈ 13.5
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
100.5
Latest
Satellite identification and parameters
Extended collection of information and parameters for CZ-4C R/B.
Object identification
Identified? True
Debris? False
Object name: CZ-4C R/B
International designator: 2009-072C
Object number (NORAD): 36123
Object ID (CCSDS): 36123
Country: PEOPLES REPUBLIC OF CHINA (PRC)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 106.967 minutes
Inclination: 100.5227 deg
SMA: 7464.372 km
Apoapsis: 1203.206 km
Periapsis: 969.269 km
RAAN: 130.4423 deg
Eccentricy: 0.0156702
Argument of periapsis: 201.9498 deg
Mean anomaly: 323.5006 deg
Mean motion: 13.46210014 rev/day
Mean motion (dot): 0.00000009 rev/day2
B* drag term: 0.000089561 1/REarth
Two-line elements (TLE)
Creation date: May 6, 2025, 3:54 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: May 5, 2025, 11:20 a.m. UTC
TLE line 0: 0 CZ-4C R/B
TLE line 1: 1 36123U 09072C 25125.47278183 .00000009 00000-0 89561-4 0 9990
TLE line 2: 2 36123 100.5227 130.4423 0156702 201.9498 323.5006 13.46210014756048
Live tracking on map
Real-time ground track for satellite CZ-4C R/B.
Associated space launch
Believed to be a surveillance satellite to track and locate naval ships.
CZ-4C R/B was lifted into orbit during the mission ‘Long March 4C | Yaogan Weixing 8’, on board a Long March 4C space rocket.
The launch took place on Dec. 15, 2009, 2:31 a.m. from Launch Complex 9.
For more information about the launch, click the button.

Long March 4C | Yaogan Weixing 8
Agency: N/A
Status: Launch Successful
Launch date: Dec. 15, 2009, 2:31 a.m. UTC
Rocket: Long March 4C
Launch pad: Launch Complex 9
Location: Taiyuan Satellite Launch Center, People's Republic of China
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