YAOGAN-39 03C, 57990
Orbit data source: Space-Track
YAOGAN-39 03C, 57990 is a payload satellite owned by PLA GAD (CN) in LEO that was launched on Thu, 05 Oct 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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57990 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: 5 days ago
TLE from 5 days ago
0 YAOGAN-39 03C
1 57990U 23152E 26168.06251293 .00005207 00000-0 25117-3 0 9997
2 57990 34.9910 296.8097 0009273 142.4571 217.6790 15.18045951150146Epoch: 2026-06-17T01:30Z
TLE epoch observation values (Epoch: 2026-06-17T01:30:01.117Z)
Latitude
-0.00005°
Longitude
8.97939°
Altitude
515.713 km
Speed
7.605 km/s
True Right ascension
19h 47m 14s
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
21:31:00
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
521.383 km
Perigee altitude
508.599 km
Semi-major axis
6,893.128 km
Eccentricity
0.00093
Inclination
34.991°
RAAN
296.8097°
Arg. of periapsis
142.4571°
True anomaly
217.61411°
Mean anomaly
217.679°
Eccentric anomaly
217.64655°
Mean motion
3.79244 °/min
Orbital period
94.93 mins
BSTAR
0.00025117
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Other satellites on launch #152 in the year 2023 (2023-10-05 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 03C 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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-06-22 11:11:59.272Z | 232.495° WSW | 2026-06-22 11:14:59.272Z | 184.465° SSW | 27.436° | 2026-06-22 11:18:59.272Z | 104.867° ESE |
| 5 mins | 2026-06-22 12:52:59.272Z | 242.729° WSW | 2026-06-22 12:54:59.272Z | 196.148° SSW | 31.593° | 2026-06-22 12:57:59.272Z | 121.555° SE |
| 5 mins | 2026-06-22 14:32:59.272Z | 238.791° WSW | 2026-06-22 14:34:59.272Z | 199.468° SSW | 20.641° | 2026-06-22 14:37:59.272Z | 148.056° SSE |
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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