Key statistics
Satellite CZ-3B R/B at a glance.
Uptime
2116
Days in orbit
Revolutions
≈ 4.8
Per day
Orbit
MEO
Medium Earth Orbit
Inclination
54.9
Latest
Satellite identification and parameters
Extended collection of information and parameters for CZ-3B R/B.
Object identification
Identified? True
Debris? False
Object name: CZ-3B R/B
International designator: 2019-078D
Object number (NORAD): 44796
Object ID (CCSDS): 44796
Country: PEOPLES REPUBLIC OF CHINA (PRC)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 299.141 minutes
Inclination: 54.9042 deg
SMA: 14816.458 km
Apoapsis: 16416.928 km
Periapsis: 459.717 km
RAAN: 198.3993 deg
Eccentricy: 0.53849616
Argument of periapsis: 168.7165 deg
Mean anomaly: 211.393 deg
Mean motion: 4.81377938 rev/day
Mean motion (dot): 0.00000155 rev/day2
B* drag term: 0.00035132803 1/REarth
Two-line elements (TLE)
Creation date: Sept. 8, 2025, 3:16 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 7, 2025, 6:07 a.m. UTC
TLE line 0: 0 CZ-3B R/B
TLE line 1: 1 44796U 19078D 25250.25487993 .00000155 00000-0 35133-3 0 9995
TLE line 2: 2 44796 54.9042 198.3993 5384962 168.7165 211.3930 4.81377938 99826
Live tracking on map
Real-time ground track for satellite CZ-3B R/B.
In-orbit conjunctions
There are no conjunctions computed for CZ-3B R/B, at the moment. Check back to stay up to date, as we update our databases every day.
Go to all conjunctionsAssociated space launch
These two satellites will be used to provide global navigation coverage as part of the Chinese Beidou (Compass) satellite navigation system.
CZ-3B R/B was lifted into orbit during the mission ‘Long March 3B/YZ-1 | Beidou-3 M21 & M22’, on board a Long March 3B/YZ-1 space rocket.
The launch took place on Nov. 23, 2019, 12:55 a.m. from Launch Complex 2 (LC-2).
For more information about the launch, click the button.

Long March 3B/YZ-1 | Beidou-3 M21 & M22
Agency: N/A
Status: Launch Successful
Launch date: Nov. 23, 2019, 12:55 a.m. UTC
Rocket: Long March 3B/YZ-1
Launch pad: Launch Complex 2 (LC-2)
Location: Xichang Satellite Launch Center, People's Republic of China
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