Key statistics
Satellite OBJECT B 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 B.
Object identification
Identified? True
Debris? False
Object name: OBJECT B
International designator: 2025-199B
Object number (NORAD): 65545
Object ID (CCSDS): 65545
Country: PEOPLES REPUBLIC OF CHINA (PRC)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 101.954 minutes
Inclination: 85.9908 deg
SMA: 7229.315 km
Apoapsis: 852.523 km
Periapsis: 849.838 km
RAAN: 129.6278 deg
Eccentricy: 0.00018573
Argument of periapsis: 80.5388 deg
Mean anomaly: 279.6005 deg
Mean motion: 14.12397689 rev/day
Mean motion (dot): 0.00000324 rev/day2
B* drag term: 0.00016551964 1/REarth
Two-line elements (TLE)
Creation date: Dec. 8, 2025, 6:20 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 8, 2025, 2:41 p.m. UTC
TLE line 0: 0 OBJECT B
TLE line 1: 1 65545U 25199B 25342.61181716 .00000324 00000-0 16552-3 0 9999
TLE line 2: 2 65545 85.9908 129.6278 0001857 80.5388 279.6005 14.12397689 13131
Live tracking on map
Real-time ground track for satellite OBJECT B.
In-orbit conjunctions
There are no conjunctions computed for OBJECT B, 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 B 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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