Key statistics
Satellite OBJECT B at a glance.
Uptime
22
Days in orbit
Revolutions
≈ 13.4
Per day
Orbit
LEO
Low Earth Orbit
Inclination
86.5
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: 2025-174B
Object number (NORAD): 65165
Object ID (CCSDS): 65165
Country: PEOPLES REPUBLIC OF CHINA (PRC)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 107.808 minutes
Inclination: 86.5005 deg
SMA: 7503.441 km
Apoapsis: 1126.612 km
Periapsis: 1124.0 km
RAAN: 349.2454 deg
Eccentricy: 0.00017404
Argument of periapsis: 70.0696 deg
Mean anomaly: 290.0631 deg
Mean motion: 13.35709669 rev/day
Mean motion (dot): 0.00000022 rev/day2
B* drag term: 0.000012950119 1/REarth
Two-line elements (TLE)
Creation date: Sept. 2, 2025, 11:42 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 2, 2025, 8:02 a.m. UTC
TLE line 0: 0 OBJECT B
TLE line 1: 1 65165U 25174B 25245.33480462 .00000022 00000-0 12950-4 0 9995
TLE line 2: 2 65165 86.5005 349.2454 0001740 70.0696 290.0631 13.35709669 2686
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 10 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 5B/YZ-2 | SatNet LEO Group 08’, on board a Long March 5B/YZ-2 space rocket.
The launch took place on Aug. 13, 2025, 6:43 a.m. from 101.
For more information about the launch, click the button.
Long March 5B/YZ-2 | SatNet LEO Group 08
Agency: N/A
Status: Launch Successful
Launch date: Aug. 13, 2025, 6:43 a.m. UTC
Rocket: Long March 5B/YZ-2
Launch pad: 101
Location: Wenchang Space Launch Site, People's Republic of China
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Latest news about this satellite
Launch Roundup: Vulcan and Ariane to launch ahead of Starlink missions
After a week of weather delays across the U.S, launch cadence increases as providers strive… The post Launch Roundup: Vulcan and Ariane to launch ahead of Starlink missions appeared first on NASASpaceFlight.com.
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