YAOGAN-39 02B, 57889
Orbit data source: Space-Track
YAOGAN-39 02B, 57889 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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57889 intel report (Beta)
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Identifier
Orbit
Country
CN / PRCRelated business
Manufacturer
SAST
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 02B
1 57889U 23145D 26172.49286657 .00002863 00000-0 13959-3 0 9996
2 57889 34.9892 197.3296 0002832 95.4869 264.6167 15.17906147153548Epoch: 2026-06-21T11:49Z
TLE epoch observation values (Epoch: 2026-06-21T11:49:43.671Z)
Latitude
-0.00002°
Longitude
110.20526°
Altitude
511.262 km
Speed
7.61 km/s
True Right ascension
13h 09m 19s
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
21:26:49
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
517.367 km
Perigee altitude
513.462 km
Semi-major axis
6,893.551 km
Eccentricity
0.00028
Inclination
34.9892°
RAAN
197.3296°
Arg. of periapsis
95.4869°
True anomaly
264.58439°
Mean anomaly
264.6167°
Eccentric anomaly
264.60055°
Mean motion
3.79209 °/min
Orbital period
94.93 mins
BSTAR
0.00013959
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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 02B 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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-06-23 05:07:49.229Z | 192.362° SSW | 2026-06-23 05:09:49.229Z | 149.914° SSE | 19.818° | 2026-06-23 05:11:49.229Z | 115.653° SE |
| 5 mins | 2026-06-23 06:46:49.229Z | 233.413° WSW | 2026-06-23 06:48:49.229Z | 185.837° SSW | 31.482° | 2026-06-23 06:51:49.229Z | 112.723° SE |
| 5 mins | 2026-06-23 08:26:49.229Z | 241.742° WSW | 2026-06-23 08:28:49.229Z | 193.627° SSW | 28.356° | 2026-06-23 08:31:49.229Z | 130.865° 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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