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: 10 hours ago
TLE from 10 hours ago
0 YAOGAN-39 04C
1 58145U 23163E 25346.31830284 .00008616 00000-0 42403-3 0 9994
2 58145 34.9914 93.6414 0004185 82.1358 277.9830 15.17269108118924Epoch: 2025-12-12T07:38Z
TLE epoch observation values (Epoch: 2025-12-12T07:38:21.365Z)
Latitude
0.00001°
Longitude
-102.20926°
Altitude
512.608 km
Speed
7.61 km/s
True Right ascension
06h 14m 33s
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
16:18:02
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
520.227 km
Perigee altitude
514.456 km
Semi-major axis
6,895.479 km
Eccentricity
0.00042
Inclination
34.9914°
RAAN
93.6414°
Arg. of periapsis
82.1358°
True anomaly
277.9355°
Mean anomaly
277.983°
Eccentric anomaly
277.95925°
Mean motion
3.7905 °/min
Orbital period
94.97 mins
BSTAR
0.00042403
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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 | 2025-12-13 10:42:46.790Z | 199.478° SSW | 2025-12-13 10:45:46.790Z | 148.074° SSE | 16.855° | 2025-12-13 10:47:46.790Z | 116.487° SE |
| 5 mins | 2025-12-13 12:22:46.790Z | 228.062° WSW | 2025-12-13 12:24:46.790Z | 180.791° SSW | 30.274° | 2025-12-13 12:27:46.790Z | 111.11° ESE |
| 5 mins | 2025-12-13 14:02:46.790Z | 241.742° WSW | 2025-12-13 14:04:46.790Z | 191.476° SSW | 30.338° | 2025-12-13 14:07:46.790Z | 125.554° 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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