Key statistics
Satellite OBJECT D 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 D.
Object identification
Identified? True
Debris? False
Object name: OBJECT D
International designator: 2025-100D
Object number (NORAD): 63985
Object ID (CCSDS): 63985
Country: PEOPLES REPUBLIC OF CHINA (PRC)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 94.28 minutes
Inclination: 97.3888 deg
SMA: 6861.85 km
Apoapsis: 489.702 km
Periapsis: 477.729 km
RAAN: 58.4433 deg
Eccentricy: 0.00087244
Argument of periapsis: 227.7527 deg
Mean anomaly: 132.2972 deg
Mean motion: 15.27358291 rev/day
Mean motion (dot): 0.00041048 rev/day2
B* drag term: 0.0015266797 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, 6:21 a.m. UTC
TLE line 0: 0 OBJECT D
TLE line 1: 1 63985U 25100D 25346.26484925 .00041048 00000-0 15267-2 0 9999
TLE line 2: 2 63985 97.3888 58.4433 0008724 227.7527 132.2972 15.27358291 32246
Live tracking on map
Real-time ground track for satellite OBJECT D.
In-orbit conjunctions
There are no conjunctions computed for OBJECT D, 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 D 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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