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: 9 hours ago
TLE from 9 hours ago
0 YAOGAN-39 04C
1 58145U 23163E 26305.81253034 .00003732 00000-0 18624-3 0 9999
2 58145 34.9903 231.1404 0001978 293.0924 66.9580 15.16994657168239Epoch: 2026-11-01T19:30Z
TLE epoch observation values (Epoch: 2026-11-01T19:30:02.621Z)
Latitude
-0.00002°
Longitude
-102.46907°
Altitude
513.305 km
Speed
7.61 km/s
True Right ascension
15h 24m 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
23:51:33
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
519.537 km
Perigee altitude
516.809 km
Semi-major axis
6,896.31 km
Eccentricity
0.0002
Inclination
34.9903°
RAAN
231.1404°
Arg. of periapsis
293.0924°
True anomaly
66.97886°
Mean anomaly
66.958°
Eccentric anomaly
66.96843°
Mean motion
3.78982 °/min
Orbital period
94.99 mins
BSTAR
0.00018624
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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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-11-02 22:35:13.622Z | 195.289° SSW | 2026-11-02 22:37:13.622Z | 160.431° S | 18.713° | 2026-11-02 22:39:13.622Z | 123.968° SE |
| 5 mins | 2026-11-03 00:15:13.622Z | 224.029° SW | 2026-11-03 00:17:13.622Z | 167.374° S | 37.043° | 2026-11-03 00:20:13.622Z | 108.037° ESE |
| 5 mins | 2026-11-03 01:55:13.622Z | 237.462° WSW | 2026-11-03 01:57:13.622Z | 179.388° S | 36.265° | 2026-11-03 02:00:13.622Z | 123.168° SE |
| 4 mins | 2026-11-03 03:35:13.622Z | 230.255° WSW | 2026-11-03 03:37:13.622Z | 192.743° SSW | 17.663° | 2026-11-03 03:39:13.622Z | 161.397° S |
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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