Key statistics
Satellite YAOGAN-40 01C at a glance.
Uptime
769
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: 101.956 minutes
Inclination: 85.9974 deg
SMA: 7229.38 km
Apoapsis: 853.11 km
Periapsis: 849.379 km
RAAN: 9.7604 deg
Eccentricy: 0.00025804
Argument of periapsis: 105.5451 deg
Mean anomaly: 254.6017 deg
Mean motion: 14.12378831 rev/day
Mean motion (dot): 0.00000202 rev/day2
B* drag term: 0.000099460207 1/REarth
Two-line elements (TLE)
Creation date: Oct. 14, 2025, 2:50 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 13, 2025, 7:52 p.m. UTC
TLE line 0: 0 YAOGAN-40 01C
TLE line 1: 1 57833U 23139D 25286.82779106 .00000202 00000-0 99460-4 0 9993
TLE line 2: 2 57833 85.9974 9.7604 0002580 105.5451 254.6017 14.12378831108037
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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