Key statistics
Satellite SJ-7 at a glance.
Uptime
7466
Days in orbit
Revolutions
≈ 15.2
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
97.7
Latest
Satellite identification and parameters
Extended collection of information and parameters for SJ-7.
Object identification
Identified? True
Debris? False
Object name: SJ-7
International designator: 2005-024A
Object number (NORAD): 28737
Object ID (CCSDS): 28737
Country: PEOPLES REPUBLIC OF CHINA (PRC)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 94.851 minutes
Inclination: 97.7487 deg
SMA: 6889.497 km
Apoapsis: 522.346 km
Periapsis: 500.378 km
RAAN: 6.6449 deg
Eccentricy: 0.00159426
Argument of periapsis: 325.4507 deg
Mean anomaly: 34.5689 deg
Mean motion: 15.18173772 rev/day
Mean motion (dot): 0.00013353 rev/day2
B* drag term: 0.0006542016 1/REarth
Two-line elements (TLE)
Creation date: Dec. 12, 2025, 10:14 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 12, 2025, 7:47 a.m. UTC
TLE line 0: 0 SJ-7
TLE line 1: 1 28737U 05024A 25346.32460831 .00013353 00000-0 65420-3 0 9990
TLE line 2: 2 28737 97.7487 6.6449 0015943 325.4507 34.5689 15.18173772119646
Live tracking on map
Real-time ground track for satellite SJ-7.
In-orbit conjunctions
There are no conjunctions computed for SJ-7, at the moment. Check back to stay up to date, as we update our databases every day.
Go to all conjunctionsAssociated space launch
Chinese maneuverable military satellites, believed to have an interceptor / inspector / antisatellite mission. Launched from Jiuquan by the CZ-2D launch vehicle into 600 km, 97.7 deg inclination sun synchronous orbits.
SJ-7 was lifted into orbit during the mission ‘Long March 2D | Shi Jian 7’, on board a Long March 2D space rocket.
The launch took place on July 5, 2005, 10:40 p.m. from Launch Area 94 (SLS-2 / 603).
For more information about the launch, click the button.
Long March 2D | Shi Jian 7
Agency: N/A
Status: Launch Successful
Launch date: July 5, 2005, 10:40 p.m. UTC
Rocket: Long March 2D
Launch pad: Launch Area 94 (SLS-2 / 603)
Location: Jiuquan Satellite Launch Center, People's Republic of China
...
Latest news about this satellite
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