Key statistics
Satellite CZ-4B R/B at a glance.
Uptime
5001
Days in orbit
Revolutions
≈ 15.1
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
98.5
Latest
Satellite identification and parameters
Extended collection of information and parameters for CZ-4B R/B.
Object identification
Identified? True
Debris? False
Object name: CZ-4B R/B
International designator: 2011-079B
Object number (NORAD): 38039
Object ID (CCSDS): 38039
Country: PEOPLES REPUBLIC OF CHINA (PRC)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 95.279 minutes
Inclination: 98.4593 deg
SMA: 6910.207 km
Apoapsis: 623.825 km
Periapsis: 440.318 km
RAAN: 44.7176 deg
Eccentricy: 0.01327794
Argument of periapsis: 259.4401 deg
Mean anomaly: 99.1846 deg
Mean motion: 15.11354032 rev/day
Mean motion (dot): 0.00009642 rev/day2
B* drag term: 0.00046608315 1/REarth
Two-line elements (TLE)
Creation date: Aug. 31, 2025, 2:26 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Aug. 30, 2025, 8:54 p.m. UTC
TLE line 0: 0 CZ-4B R/B
TLE line 1: 1 38039U 11079B 25242.87129823 .00009642 00000-0 46608-3 0 9994
TLE line 2: 2 38039 98.4593 44.7176 0132779 259.4401 99.1846 15.11354032745903
Live tracking on map
Real-time ground track for satellite CZ-4B R/B.
Associated space launch
CZ-4B R/B was lifted into orbit during the mission ‘Long March 4B | Zi Yuan 1-02C’, on board a Long March 4B space rocket.
The launch took place on Dec. 22, 2011, 3:26 a.m. from Launch Complex 7.
For more information about the launch, click the button.
Long March 4B | Zi Yuan 1-02C
Agency: N/A
Status: Launch Successful
Launch date: Dec. 22, 2011, 3:26 a.m. UTC
Rocket: Long March 4B
Launch pad: Launch Complex 7
Location: Taiyuan Satellite Launch Center, People's Republic of China
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