Key statistics
Satellite SJ-7 at a glance.
Uptime
7307
Days in orbit
Revolutions
≈ 15.2
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
97.8
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: 95.049 minutes
Inclination: 97.7575 deg
SMA: 6899.099 km
Apoapsis: 534.291 km
Periapsis: 507.637 km
RAAN: 204.4468 deg
Eccentricy: 0.0019317
Argument of periapsis: 143.2789 deg
Mean anomaly: 216.977 deg
Mean motion: 15.15005568 rev/day
Mean motion (dot): 0.00005323 rev/day2
B* drag term: 0.00028753 1/REarth
Two-line elements (TLE)
Creation date: July 6, 2025, 6:05 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 6, 2025, 2:59 p.m. UTC
TLE line 0: 0 SJ-7
TLE line 1: 1 28737U 05024A 25187.62431508 .00005323 00000-0 28753-3 0 9991
TLE line 2: 2 28737 97.7575 204.4468 0019317 143.2789 216.9770 15.15005568 95598
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 4 (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 4 (SLS-2 / 603)
Location: Jiuquan Satellite Launch Center, People's Republic of China
...
Latest news about this satellite
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