Key statistics
Satellite HJ-2A at a glance.
Uptime
1852
Days in orbit
Revolutions
≈ 14.8
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
97.9
Latest
Satellite identification and parameters
Extended collection of information and parameters for HJ-2A.
Object identification
Identified? True
Debris? False
Object name: HJ-2A
International designator: 2020-067A
Object number (NORAD): 46478
Object ID (CCSDS): 46478
Country: PEOPLES REPUBLIC OF CHINA (PRC)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 97.522 minutes
Inclination: 97.9053 deg
SMA: 7018.232 km
Apoapsis: 641.488 km
Periapsis: 638.706 km
RAAN: 14.6292 deg
Eccentricy: 0.00019817
Argument of periapsis: 310.746 deg
Mean anomaly: 49.3578 deg
Mean motion: 14.76594308 rev/day
Mean motion (dot): 0.00001442 rev/day2
B* drag term: 0.00021376045 1/REarth
Two-line elements (TLE)
Creation date: Oct. 23, 2025, 2:46 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 22, 2025, 9:54 p.m. UTC
TLE line 0: 0 HJ-2A
TLE line 1: 1 46478U 20067A 25295.91295854 .00001442 00000-0 21376-3 0 9993
TLE line 2: 2 46478 97.9053 14.6292 0001982 310.7460 49.3578 14.76594308273240
Live tracking on map
Real-time ground track for satellite HJ-2A.
In-orbit conjunctions
There are no conjunctions computed for HJ-2A, at the moment. Check back to stay up to date, as we update our databases every day.
Go to all conjunctionsAssociated space launch
Huanjing (abbreviated as HJ) is a constellation of environmental monitoring satellites. The HJ-2A and HJ-2B are 16-meter optical satellites which will provide 16-meter multispectral, 48-meter hyperspectral and infrared image data.
HJ-2A was lifted into orbit during the mission ‘Long March 4B | Huanjing 2A, 2B’, on board a Long March 4B space rocket.
The launch took place on Sept. 27, 2020, 3:23 a.m. from Launch Complex 9.
For more information about the launch, click the button.
Long March 4B | Huanjing 2A, 2B
Agency: N/A
Status: Launch Successful
Launch date: Sept. 27, 2020, 3:23 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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