Key statistics
Satellite BEIDOU 3M21 at a glance.
Uptime
2117
Days in orbit
Revolutions
≈ 1.9
Per day
Orbit
MEO
Medium Earth Orbit
Inclination
54.2
Latest
Satellite identification and parameters
Extended collection of information and parameters for BEIDOU 3M21.
Object identification
Identified? True
Debris? False
Object name: BEIDOU 3M21
International designator: 2019-078A
Object number (NORAD): 44793
Object ID (CCSDS): 44793
Country: PEOPLES REPUBLIC OF CHINA (PRC)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 773.229 minutes
Inclination: 54.1913 deg
SMA: 27906.077 km
Apoapsis: 21540.584 km
Periapsis: 21515.3 km
RAAN: 309.7394 deg
Eccentricy: 0.00045301
Argument of periapsis: 32.1947 deg
Mean anomaly: 327.9133 deg
Mean motion: 1.86232116 rev/day
Mean motion (dot): -0.00000033 rev/day2
B* drag term: 0.0 1/REarth
Two-line elements (TLE)
Creation date: Sept. 8, 2025, 9:49 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 8, 2025, 4:22 a.m. UTC
TLE line 0: 0 BEIDOU 3M21
TLE line 1: 1 44793U 19078A 25251.18237293 -.00000033 00000-0 00000-0 0 9999
TLE line 2: 2 44793 54.1913 309.7394 0004530 32.1947 327.9133 1.86232116 39397
Live tracking on map
Real-time ground track for satellite BEIDOU 3M21.
In-orbit conjunctions
There are no conjunctions computed for BEIDOU 3M21, 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.
BEIDOU 3M21 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
...
Newsletter sign-up
Weekly statistics, charts and insights to help you stay on top of the space industry.
