YAOGAN-39 04B, 58143
Orbit data source: Space-Track
YAOGAN-39 04B, 58143 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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58143 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
CN / PRCRelated business
Manufacturer
SAST
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: 12 hours ago
TLE from 12 hours ago
0 YAOGAN-39 04B
1 58143U 23163C 25243.09052731 .00012544 00000-0 61641-3 0 9996
2 58143 34.9964 17.4530 0007046 100.6399 259.5107 15.17244219103226Epoch: 2025-08-31T02:10Z
TLE epoch observation values (Epoch: 2025-08-31T02:10:21.559Z)
Latitude
-0.00005°
Longitude
5.34763°
Altitude
513.97 km
Speed
7.609 km/s
True Right ascension
01h 09m 48s
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
06:16:19
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
522.275 km
Perigee altitude
512.558 km
Semi-major axis
6,895.553 km
Eccentricity
0.0007
Inclination
34.9964°
RAAN
17.453°
Arg. of periapsis
100.6399°
True anomaly
259.43132°
Mean anomaly
259.5107°
Eccentric anomaly
259.47101°
Mean motion
3.79044 °/min
Orbital period
94.98 mins
BSTAR
0.00061641
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Other satellites on launch #163 in the year 2023 (2023-10-23 UTC)
YAOGAN-39 04B Visibility forecast
Observer location: undefined°, undefined°
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 | 2025-08-31 15:08:41.636Z | 245.704° WSW | 2025-08-31 15:11:41.636Z | 183.733° SSW | 32.463° | 2025-08-31 15:14:41.636Z | 114.342° SE |
| 5 mins | 2025-08-31 16:49:41.636Z | 239.166° WSW | 2025-08-31 16:51:41.636Z | 192.822° SSW | 25.211° | 2025-08-31 16:54:41.636Z | 137.186° SSE |
| 5 mins | 2025-09-01 13:11:41.636Z | 212.241° SW | 2025-09-01 13:13:41.636Z | 167.617° S | 25.358° | 2025-09-01 13:16:41.636Z | 109.323° ESE |
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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Authenticating...
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