Key statistics
Satellite OBJECT B at a glance.
Uptime
30
Days in orbit
Revolutions
≈ 14.2
Per day
Orbit
LEO
Low Earth Orbit
Inclination
50.0
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: 2025-258B
Object number (NORAD): 66413
Object ID (CCSDS): 66413
Country: PEOPLES REPUBLIC OF CHINA (PRC)
Current information (Y/N): Y
Orbital parameters
Period: 101.423 minutes
Inclination: 49.9984 deg
SMA: 7204.176 km
Apoapsis: 831.169 km
Periapsis: 820.913 km
RAAN: 279.6068 deg
Eccentricy: 0.00071183
Argument of periapsis: 354.2773 deg
Mean anomaly: 5.8056 deg
Mean motion: 14.19797153 rev/day
Mean motion (dot): 0.00000903 rev/day2
B* drag term: 0.00049733401 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, 1:55 p.m. UTC
TLE line 0: 0 OBJECT B
TLE line 1: 1 66413U 25258B 25342.58016459 .00000903 00000-0 49733-3 0 9997
TLE line 2: 2 66413 49.9984 279.6068 0007118 354.2773 5.8056 14.19797153 4062
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
A batch of Low Earth Orbit communication satellites for the Chinese state owned SatNet constellation operated by the China Satellite Network Group. The constellation will eventually consists of 13000 satellites.
OBJECT B was lifted into orbit during the mission ‘Long March 12 | SatNet LEO Group 13’, on board a Long March 12 space rocket.
The launch took place on Nov. 10, 2025, 2:41 a.m. from Commercial LC-2.
For more information about the launch, click the button.
Long March 12 | SatNet LEO Group 13
Agency: N/A
Status: Launch Successful
Launch date: Nov. 10, 2025, 2:41 a.m. UTC
Rocket: Long March 12
Launch pad: Commercial LC-2
Location: Wenchang Space Launch Site, People's Republic of China
...
Latest news about this satellite
There are no fresh news available about this satellite. Check back as we update our databases every day.
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