Key statistics
Satellite CZ-4B R/B at a glance.
Uptime
4946
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: 95.31 minutes
Inclination: 98.4514 deg
SMA: 6911.732 km
Apoapsis: 627.71 km
Periapsis: 439.484 km
RAAN: 343.4017 deg
Eccentricy: 0.0136164
Argument of periapsis: 85.8988 deg
Mean anomaly: 275.7789 deg
Mean motion: 15.10853873 rev/day
Mean motion (dot): 0.00005844 rev/day2
B* drag term: 0.00028542 1/REarth
Two-line elements (TLE)
Creation date: July 6, 2025, 6:05 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 6, 2025, 9:08 a.m. UTC
TLE line 0: 0 CZ-4B R/B
TLE line 1: 1 38039U 11079B 25187.38121049 .00005844 00000-0 28542-3 0 9997
TLE line 2: 2 38039 98.4514 343.4017 0136164 85.8988 275.7789 15.10853873737525
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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