Key statistics
Satellite CZ-4C R/B at a glance.
Uptime
1673
Days in orbit
Revolutions
≈ 13.7
Per day
Orbit
LEO
Low Earth Orbit
Inclination
63.5
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: 2021-007F
Object number (NORAD): 47537
Object ID (CCSDS): 47537
Country: PEOPLES REPUBLIC OF CHINA (PRC)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 105.263 minutes
Inclination: 63.4527 deg
SMA: 7384.906 km
Apoapsis: 1209.142 km
Periapsis: 804.399 km
RAAN: 8.7358 deg
Eccentricy: 0.02740336
Argument of periapsis: 3.7442 deg
Mean anomaly: 356.5559 deg
Mean motion: 13.67997623 rev/day
Mean motion (dot): -0.00000072 rev/day2
B* drag term: 0.000021322259 1/REarth
Two-line elements (TLE)
Creation date: Aug. 29, 2025, 2:15 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Aug. 28, 2025, 5:30 p.m. UTC
TLE line 0: 0 CZ-4C R/B
TLE line 1: 1 47537U 21007F 25240.72936936 -.00000072 00000-0 21322-4 0 9998
TLE line 2: 2 47537 63.4527 8.7358 0274034 3.7442 356.5559 13.67997623228784
Live tracking on map
Real-time ground track for satellite CZ-4C R/B.
In-orbit conjunctions
A list of the most updated potential collisions computed for object CZ-4C R/B.
Associated space launch
CZ-4C R/B was lifted into orbit during the mission ‘Long March 4C | Yaogan-31-02’, on board a Long March 4C space rocket.
The launch took place on Jan. 29, 2021, 4:47 a.m. from Launch Area 4 (SLS-2 / 603).
For more information about the launch, click the button.
Long March 4C | Yaogan-31-02
Agency: N/A
Status: Launch Successful
Launch date: Jan. 29, 2021, 4:47 a.m. UTC
Rocket: Long March 4C
Launch pad: Launch Area 4 (SLS-2 / 603)
Location: Jiuquan Satellite Launch Center, People's Republic of China
...
Latest news about this satellite
Long March 4C lofts three Yaogan Weixing-31 satellites
China launched its second orbital mission in 2021, orbiting three new satellites from the Jiuquan Satellite Launch Center on Friday. The launch took place from Launch Pad 94 of the LC43 launch complex using the Long March-4C (Y31) rocket. The Yaogan Weix...
China launches military spy satellite trio into orbit
China launched three Yaogan military satellites Friday on a Long March 4C rocket, adding to a fleet of spacecraft independent analysts believe are designed to spy on naval forces.
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