YAOGAN-39 01C, 57731
Orbit data source: Space-Track
YAOGAN-39 01C, 57731 is a payload satellite owned by PLA GAD (CN) in LEO that was launched on Thu, 31 Aug 2023 UTC via a CHANG ZHENG 2D launch vehicle from the Xichang Space Center, China (XSC). Payload-class satellites include a variety of spacecraft equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.
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57731 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Last TLE update
3 hours ago
Origin
Manufacturer
DFH
Mission
Operational Defense Sigint
Bus & Motor
Unknown
Mass
~300 kg wet, ~300 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 5 m
Radar Cross Section
11.063 m², Large (>1 m²)
Expand to show TLE details & history
TLE from 3 hours ago
0 YAOGAN-39 01C
1 57731U 23130E 25187.21251044 .00004229 00000-0 21172-3 0 9997
2 57731 34.9929 148.9221 0002550 184.4610 175.6080 15.16840609102880Epoch: 2025-07-06T05:06Z
TLE epoch observation values (Epoch: 2025-07-06T05:06:00.902Z)
Latitude
-0.00001°
Longitude
147.97889°
Altitude
516.058 km
Speed
7.607 km/s
True Right ascension
09h 55m 41s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
-16.93295°
Longitude
121.56553°
Altitude
519.425 km
Speed
7.604 km/s
Apparent Right ascension
08h 08m 02s
Apparent Declination
-27° 49' 17"
Sunlit
Visualization observer readout
Local Sidereal Time
20:05:21
Azimuth
357.17° N
Elevation
-77.892°
Doppler factor
1
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Other satellites on launch #130 in the year 2023 (2023-08-31 UTC)
YAOGAN-39 01C Visibility forecast
Observer location: undefined°, undefined°
Span | Click to sort rows by Start time (UTC) header in descending order | Start Az. | Max El. time (UTC) | Max El. Az. | Max El. | End time (UTC) | End Az. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2025-07-07 01:55:34.625Z | 201.66° SSW | 2025-07-07 01:56:34.625Z | 177.882° S | 25.071° | 2025-07-07 01:59:34.625Z | 112.91° SE |
| 6 mins | 2025-07-07 03:34:34.625Z | 240.347° WSW | 2025-07-07 03:36:34.625Z | 193.427° SSW | 32.265° | 2025-07-07 03:40:34.625Z | 111.059° ESE |
| 5 mins | 2025-07-07 05:14:34.625Z | 241.685° WSW | 2025-07-07 05:16:34.625Z | 200.255° SSW | 23.921° | 2025-07-07 05:19:34.625Z | 142.45° SSE |
Event ID | Pc | Md | Secondary | Secondary name | Country | Click to unsort rows by TCA header |
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