Key statistics
Satellite HJS-7B at a glance.
Uptime
28
Days in orbit
Revolutions
≈ 14.2
Per day
Orbit
LEO
Low Earth Orbit
Inclination
50.0
Latest
Satellite identification and parameters
Extended collection of information and parameters for HJS-7B.
Object identification
Identified? True
Debris? False
Object name: HJS-7B
International designator: 2025-209B
Object number (NORAD): 65618
Object ID (CCSDS): 65618
Country: PEOPLES REPUBLIC OF CHINA (PRC)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 101.085 minutes
Inclination: 49.9977 deg
SMA: 7188.183 km
Apoapsis: 811.188 km
Periapsis: 808.908 km
RAAN: 221.5474 deg
Eccentricy: 0.00015863
Argument of periapsis: 259.0854 deg
Mean anomaly: 100.988 deg
Mean motion: 14.24538105 rev/day
Mean motion (dot): -0.00000028 rev/day2
B* drag term: 0.000056452702 1/REarth
Two-line elements (TLE)
Creation date: Oct. 14, 2025, 2:50 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 13, 2025, 10:39 p.m. UTC
TLE line 0: 0 HJS-7B
TLE line 1: 1 65618U 25209B 25286.94386433 -.00000028 00000-0 56453-4 0 9995
TLE line 2: 2 65618 49.9977 221.5474 0001586 259.0854 100.9880 14.24538105 3979
Live tracking on map
Real-time ground track for satellite HJS-7B.
In-orbit conjunctions
There are no conjunctions computed for HJS-7B, at the moment. Check back to stay up to date, as we update our databases every day.
Go to all conjunctionsAssociated space launch
Officially described as "Satellite-Internet Technology Demonstration Satellite(s)". Probably test satellites for the Chinese state-owned LEO communication satellite constellation SatNet.
HJS-7B was lifted into orbit during the mission ‘Long March 2C/YZ-1S | SatNet test satellites’, on board a Long March 2C/YZ-1S space rocket.
The launch took place on Sept. 16, 2025, 1:06 a.m. from Launch Area 4 (SLS-2 / 603).
For more information about the launch, click the button.

Long March 2C/YZ-1S | SatNet test satellites
Agency: N/A
Status: Launch Successful
Launch date: Sept. 16, 2025, 1:06 a.m. UTC
Rocket: Long March 2C/YZ-1S
Launch pad: Launch Area 4 (SLS-2 / 603)
Location: Jiuquan Satellite Launch Center, People's Republic of China
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