Key statistics
Satellite CZ-4C R/B at a glance.
Uptime
1780
Days in orbit
Revolutions
≈ 13.7
Per day
Orbit
LEO
Low Earth Orbit
Inclination
63.4
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: 105.262 minutes
Inclination: 63.4499 deg
SMA: 7384.821 km
Apoapsis: 1216.845 km
Periapsis: 796.527 km
RAAN: 83.4144 deg
Eccentricy: 0.02845827
Argument of periapsis: 3.0157 deg
Mean anomaly: 357.2513 deg
Mean motion: 13.68021066 rev/day
Mean motion (dot): -0.00000031 rev/day2
B* drag term: 0.000057579596 1/REarth
Two-line elements (TLE)
Creation date: Dec. 14, 2025, 3:07 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 13, 2025, 2:24 p.m. UTC
TLE line 0: 0 CZ-4C R/B
TLE line 1: 1 47537U 21007F 25347.60009850 -.00000031 00000-0 57580-4 0 9999
TLE line 2: 2 47537 63.4499 83.4144 0284583 3.0157 357.2513 13.68021066243405
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 94 (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 94 (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.
Newsletter sign-up
Weekly statistics, charts and insights to help you stay on top of the space industry.
