Key statistics
Satellite YAOGAN-40 01C at a glance.
Uptime
825
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 YAOGAN-40 01C.
Object identification
Identified? True
Debris? False
Object name: YAOGAN-40 01C
International designator: 2023-139D
Object number (NORAD): 57833
Object ID (CCSDS): 57833
Country: PEOPLES REPUBLIC OF CHINA (PRC)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 101.954 minutes
Inclination: 85.9915 deg
SMA: 7229.305 km
Apoapsis: 852.287 km
Periapsis: 850.052 km
RAAN: 343.0709 deg
Eccentricy: 0.0001546
Argument of periapsis: 73.3077 deg
Mean anomaly: 286.8275 deg
Mean motion: 14.12400831 rev/day
Mean motion (dot): 0.0000029 rev/day2
B* drag term: 0.00014711 1/REarth
Two-line elements (TLE)
Creation date: Dec. 12, 2025, 10:16 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 12, 2025, 8:07 a.m. UTC
TLE line 0: 0 YAOGAN-40 01C
TLE line 1: 1 57833U 23139D 25346.33821105 .00000290 00000-0 14711-3 0 9995
TLE line 2: 2 57833 85.9915 343.0709 0001546 73.3077 286.8275 14.12400831116431
Live tracking on map
Real-time ground track for satellite YAOGAN-40 01C.
In-orbit conjunctions
There are no conjunctions computed for YAOGAN-40 01C, 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" purposes.
YAOGAN-40 01C was lifted into orbit during the mission ‘Long March 6A | Yaogan 40’, on board a Long March 6A space rocket.
The launch took place on Sept. 10, 2023, 4:30 a.m. from Launch Complex 9A.
For more information about the launch, click the button.
Long March 6A | Yaogan 40
Agency: N/A
Status: Launch Successful
Launch date: Sept. 10, 2023, 4:30 a.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
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