Key statistics
Satellite OBJECT J at a glance.
Uptime
213
Days in orbit
Revolutions
≈ 15.3
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
97.4
Latest
Satellite identification and parameters
Extended collection of information and parameters for OBJECT J.
Object identification
Identified? True
Debris? False
Object name: OBJECT J
International designator: 2025-100J
Object number (NORAD): 63990
Object ID (CCSDS): 63990
Country: PEOPLES REPUBLIC OF CHINA (PRC)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 94.274 minutes
Inclination: 97.385 deg
SMA: 6861.553 km
Apoapsis: 489.34 km
Periapsis: 477.495 km
RAAN: 58.3617 deg
Eccentricy: 0.00086313
Argument of periapsis: 233.7631 deg
Mean anomaly: 126.2811 deg
Mean motion: 15.27457531 rev/day
Mean motion (dot): 0.00040435 rev/day2
B* drag term: 0.0014995531 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, 6:04 a.m. UTC
TLE line 0: 0 OBJECT J
TLE line 1: 1 63990U 25100J 25346.25284075 .00040435 00000-0 14996-2 0 9995
TLE line 2: 2 63990 97.3850 58.3617 0008631 233.7631 126.2811 15.27457531 32224
Live tracking on map
Real-time ground track for satellite OBJECT J.
In-orbit conjunctions
There are no conjunctions computed for OBJECT J, at the moment. Check back to stay up to date, as we update our databases every day.
Go to all conjunctionsAssociated space launch
12 satellites from ADASPACE testing in-orbit data processing capabilities for other satellites with artificial intelligence assistance, as well as inter-satellite laser link communication techniques.
OBJECT J was lifted into orbit during the mission ‘Long March 2D | Space Computing Constellation’, on board a Long March 2D space rocket.
The launch took place on May 14, 2025, 4:12 a.m. from Launch Area 94 (SLS-2 / 603).
For more information about the launch, click the button.
Long March 2D | Space Computing Constellation
Agency: N/A
Status: Launch Successful
Launch date: May 14, 2025, 4:12 a.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
Rocket Report: How is your payload fairing? Poland launches test rocket.
No thunder down under.
China launches first of 2,800 satellites for AI space computing constellation
China launched 12 satellites early Wednesday for a pioneering on-orbit computing project led by startup ADA Space and Zhejiang Lab. The post China launches first of 2,800 satellites for AI space computing constellation appeared first on SpaceNews.
Launch Roundup: Orbital launches from five countries planned
On the heels of a busy April, activity is ramping up for May with launches… The post Launch Roundup: Orbital launches from five countries planned appeared first on NASASpaceFlight.com.
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