Key statistics
Satellite YAOGAN-40 01A at a glance.
Uptime
722
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 01A.
Object identification
Identified? True
Debris? False
Object name: YAOGAN-40 01A
International designator: 2023-139A
Object number (NORAD): 57830
Object ID (CCSDS): 57830
Country: PEOPLES REPUBLIC OF CHINA (PRC)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 101.957 minutes
Inclination: 85.9921 deg
SMA: 7229.451 km
Apoapsis: 852.784 km
Periapsis: 849.847 km
RAAN: 30.1603 deg
Eccentricy: 0.0002031
Argument of periapsis: 88.2941 deg
Mean anomaly: 271.8475 deg
Mean motion: 14.12358103 rev/day
Mean motion (dot): 0.00000202 rev/day2
B* drag term: 0.000099449098 1/REarth
Two-line elements (TLE)
Creation date: Aug. 31, 2025, 2:26 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Aug. 30, 2025, 11:21 p.m. UTC
TLE line 0: 0 YAOGAN-40 01A
TLE line 1: 1 57830U 23139A 25242.97354594 .00000202 00000-0 99449-4 0 9995
TLE line 2: 2 57830 85.9921 30.1603 0002031 88.2941 271.8475 14.12358103101734
Live tracking on map
Real-time ground track for satellite YAOGAN-40 01A.
In-orbit conjunctions
There are no conjunctions computed for YAOGAN-40 01A, 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 01A 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
There are no fresh news available about this satellite. Check back as we update our databases every day.
Newsletter sign-up
Weekly statistics, charts and insights to help you stay on top of the space industry.
