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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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: 13 hours ago
TLE from 13 hours ago
0 YAOGAN-39 04C
1 58145U 23163E 26071.20317726 .00005560 00000-0 27785-3 0 9990
2 58145 34.9894 253.3067 0007708 252.9345 107.0524 15.16803865132581Epoch: 2026-03-12T04:52Z
TLE epoch observation values (Epoch: 2026-03-12T04:52:34.515Z)
Latitude
0.00003°
Longitude
10.3065°
Altitude
515.978 km
Speed
7.607 km/s
True Right ascension
16h 53m 13s
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
22:43:37
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
524.067 km
Perigee altitude
513.435 km
Semi-major axis
6,896.888 km
Eccentricity
0.00077
Inclination
34.9894°
RAAN
253.3067°
Arg. of periapsis
252.9345°
True anomaly
107.13682°
Mean anomaly
107.0524°
Eccentric anomaly
107.09461°
Mean motion
3.78934 °/min
Orbital period
95 mins
BSTAR
0.00027785
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-03-12 19:30:27.732Z | 248.556° W | 2026-03-12 19:33:27.732Z | 181.378° SSW | 27.852° | 2026-03-12 19:36:27.732Z | 129.237° SE |
| 5 mins | 2026-03-13 15:53:27.732Z | 206.968° SW | 2026-03-13 15:55:27.732Z | 167.275° S | 22.777° | 2026-03-13 15:58:27.732Z | 111.144° ESE |
| 5 mins | 2026-03-13 17:33:27.732Z | 233.711° WSW | 2026-03-13 17:35:27.732Z | 178.842° S | 32.656° | 2026-03-13 17:38:27.732Z | 112.566° 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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