YAOGAN-39 02C, 57890
Orbit data source: Space-Track
YAOGAN-39 02C, 57890 is a payload satellite owned by PLA GAD (CN) in LEO that was launched on Sun, 17 Sep 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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57890 intel report (Beta)
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Identifier
Orbit
Country
CN / PRCRelated business
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, 2.5 m
Radar Cross Section
11.063 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 23 hours ago
TLE from 23 hours ago
0 YAOGAN-39 02C
1 57890U 23145E 26172.49654380 .00002783 00000-0 13589-3 0 9990
2 57890 34.9923 197.4476 0005110 98.9023 261.2269 15.17860702153517Epoch: 2026-06-21T11:55Z
TLE epoch observation values (Epoch: 2026-06-21T11:55:01.384Z)
Latitude
0.00001°
Longitude
108.99588°
Altitude
511.755 km
Speed
7.61 km/s
True Right ascension
13h 09m 47s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
21:34:00
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
519.074 km
Perigee altitude
512.029 km
Semi-major axis
6,893.688 km
Eccentricity
0.00051
Inclination
34.9923°
RAAN
197.4476°
Arg. of periapsis
98.9023°
True anomaly
261.16903°
Mean anomaly
261.2269°
Eccentric anomaly
261.19797°
Mean motion
3.79198 °/min
Orbital period
94.94 mins
BSTAR
0.00013589
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Other satellites on launch #145 in the year 2023 (2023-09-17 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.YAOGAN-39 02C Visibility forecast
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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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-06-23 05:12:59.242Z | 201.006° SSW | 2026-06-23 05:14:59.242Z | 160.892° S | 20.96° | 2026-06-23 05:17:59.242Z | 109.633° ESE |
| 5 mins | 2026-06-23 06:52:59.242Z | 227.298° WSW | 2026-06-23 06:54:59.242Z | 164.918° S | 31.643° | 2026-06-23 06:57:59.242Z | 109.293° ESE |
| 5 mins | 2026-06-23 08:32:59.242Z | 233.178° WSW | 2026-06-23 08:34:59.242Z | 176.853° S | 27.086° | 2026-06-23 08:37:59.242Z | 128.24° SE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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