YAOGAN-39 04C, 58145
Orbit data source: Space-Track
YAOGAN-39 04C, 58145 is a payload satellite owned by PLA GAD (CN) in LEO that was launched on Mon, 23 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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58145 intel report (Beta)
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Edit Public Description
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: 22 hours ago
TLE from 22 hours ago
0 YAOGAN-39 04C
1 58145U 23163E 26035.19344521 .00009514 00000-0 45643-3 0 9997
2 58145 34.9912 117.5527 0004790 207.7123 152.3335 15.18132016127115Epoch: 2026-02-04T04:38Z
TLE epoch observation values (Epoch: 2026-02-04T04:38:33.666Z)
Latitude
-0.00001°
Longitude
-86.45113°
Altitude
513.317 km
Speed
7.608 km/s
True Right ascension
07h 50m 12s
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
04:37:56
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
518.033 km
Perigee altitude
511.429 km
Semi-major axis
6,892.868 km
Eccentricity
0.00048
Inclination
34.9912°
RAAN
117.5527°
Arg. of periapsis
207.7123°
True anomaly
152.35897°
Mean anomaly
152.3335°
Eccentric anomaly
152.34624°
Mean motion
3.79265 °/min
Orbital period
94.92 mins
BSTAR
0.00045643
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Other satellites on launch #163 in the year 2023 (2023-10-23 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 04C 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 | 2026-02-05 09:18:21.376Z | 211.372° SW | 2026-02-05 09:21:21.376Z | 151.797° SSE | 22.061° | 2026-02-05 09:23:21.376Z | 115.405° SE |
| 6 mins | 2026-02-05 10:58:21.376Z | 237.004° WSW | 2026-02-05 11:00:21.376Z | 190.742° SSW | 31.965° | 2026-02-05 11:04:21.376Z | 108.087° ESE |
| 5 mins | 2026-02-05 12:38:21.376Z | 241.969° WSW | 2026-02-05 12:40:21.376Z | 196.608° SSW | 26.753° | 2026-02-05 12:43:21.376Z | 135.354° 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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