Key statistics
Satellite HJ-2B 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-2B.
Object identification
Identified? True
Debris? False
Object name: HJ-2B
International designator: 2020-067B
Object number (NORAD): 46479
Object ID (CCSDS): 46479
Country: PEOPLES REPUBLIC OF CHINA (PRC)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 97.522 minutes
Inclination: 97.9106 deg
SMA: 7018.245 km
Apoapsis: 641.957 km
Periapsis: 638.263 km
RAAN: 15.5139 deg
Eccentricy: 0.00026319
Argument of periapsis: 84.9878 deg
Mean anomaly: 275.1632 deg
Mean motion: 14.76590071 rev/day
Mean motion (dot): 0.00001429 rev/day2
B* drag term: 0.00021183968 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, 10:46 p.m. UTC
TLE line 0: 0 HJ-2B
TLE line 1: 1 46479U 20067B 25295.94925890 .00001429 00000-0 21184-3 0 9999
TLE line 2: 2 46479 97.9106 15.5139 0002632 84.9878 275.1632 14.76590071273250
Live tracking on map
Real-time ground track for satellite HJ-2B.
In-orbit conjunctions
There are no conjunctions computed for HJ-2B, 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-2B 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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