Key statistics
Satellite OBJECT D at a glance.
Uptime
95
Days in orbit
Revolutions
≈ 14.1
Per day
Orbit
LEO
Low Earth Orbit
Inclination
86.0
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: 2025-199D
Object number (NORAD): 65547
Object ID (CCSDS): 65547
Country: PEOPLES REPUBLIC OF CHINA (PRC)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 101.954 minutes
Inclination: 85.991 deg
SMA: 7229.301 km
Apoapsis: 852.471 km
Periapsis: 849.86 km
RAAN: 128.7408 deg
Eccentricy: 0.0001806
Argument of periapsis: 72.3292 deg
Mean anomaly: 287.8088 deg
Mean motion: 14.12401958 rev/day
Mean motion (dot): 0.00000401 rev/day2
B* drag term: 0.00020719 1/REarth
Two-line elements (TLE)
Creation date: Dec. 9, 2025, 12:26 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 8, 2025, 9:29 p.m. UTC
TLE line 0: 0 OBJECT D
TLE line 1: 1 65547U 25199D 25342.89527157 .00000401 00000-0 20719-3 0 9990
TLE line 2: 2 65547 85.9910 128.7408 0001806 72.3292 287.8088 14.12401958 13270
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
3 Chinese reconnaissance satellites of unknown purposes, officially reported as for "Electromagnetic environment probing".
OBJECT D was lifted into orbit during the mission ‘Long March 6A | Yaogan 40 Group 03’, on board a Long March 6A space rocket.
The launch took place on Sept. 6, 2025, 4:34 p.m. from Launch Complex 9A.
For more information about the launch, click the button.
Long March 6A | Yaogan 40 Group 03
Agency: N/A
Status: Launch Successful
Launch date: Sept. 6, 2025, 4:34 p.m. UTC
Rocket: Long March 6A
Launch pad: Launch Complex 9A
Location: Taiyuan Satellite Launch Center, People's Republic of China
...
Latest news about this satellite
China launches new set of Yaogan-40 satellites into polar orbit
China added a third trio of spacecraft to a group of remote sensing satellites Saturday, marking the country’s 52nd launch of the year. The post China launches new set of Yaogan-40 satellites into polar orbit appeared first on SpaceNews.
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