Key statistics
Satellite CZ-4B R/B at a glance.
Uptime
2123
Days in orbit
Revolutions
≈ 15.1
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
98.7
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: 2019-059D
Object number (NORAD): 44531
Object ID (CCSDS): 44531
Country: PEOPLES REPUBLIC OF CHINA (PRC)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 95.402 minutes
Inclination: 98.7084 deg
SMA: 6916.178 km
Apoapsis: 638.731 km
Periapsis: 437.354 km
RAAN: 163.8398 deg
Eccentricy: 0.0145584
Argument of periapsis: 318.3686 deg
Mean anomaly: 40.6528 deg
Mean motion: 15.0939714 rev/day
Mean motion (dot): 0.00005528 rev/day2
B* drag term: 0.00027407 1/REarth
Two-line elements (TLE)
Creation date: July 4, 2025, 6:39 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 4, 2025, 12:42 p.m. UTC
TLE line 0: 0 CZ-4B R/B
TLE line 1: 1 44531U 19059D 25185.52942008 .00005528 00000-0 27407-3 0 9995
TLE line 2: 2 44531 98.7084 163.8398 0145584 318.3686 40.6528 15.09397140317202
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 | Ziyuan-2D, Tianyi MV-1, BNU-1’, on board a Long March 4B space rocket.
The launch took place on Sept. 12, 2019, 3:26 a.m. from Launch Complex 9.
For more information about the launch, click the button.
Long March 4B | Ziyuan-2D, Tianyi MV-1, BNU-1
Agency: N/A
Status: Launch Successful
Launch date: Sept. 12, 2019, 3:26 a.m. UTC
Rocket: Long March 4B
Launch pad: Launch Complex 9
Location: Taiyuan Satellite Launch Center, People's Republic of China
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