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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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Identifier
58143, 2023-163C
Orbit
LEO
Last TLE update
10 hours ago
Origin
Manufacturer
SAST
Mission
Operational Defense Sigint
Bus & Motor
Unknown
Mass
~300 kg wet, ~300 kg dry
Launch date (UTC)
2023-10-23 (2 years ago)
Launch vehicle
CHANG ZHENG 2D
Launch site
Xichang Space Center, China (XSC)
Object type
Payload
Rocket body
Debris
Shape & HBR
Box + 2 Pan, 5 m
Radar Cross Section
11.063 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 10 hours ago
0 YAOGAN-39 04B
1 58143U 23163C   25191.69104175  .00003841  00000-0  19296-3 0  9993
2 58143  34.9968 337.7373 0008294   1.4553 358.6183 15.16726884 95417
Epoch: 2025-07-10T16:35Z
TLE epoch observation values (Epoch: 2025-07-10T16:35:06.007Z)
Latitude
0.00001°
Longitude
160.10859°
Altitude
508.936 km
Speed
7.615 km/s
True Right ascension
22h 30m 56s
True Declination
0° 00' 00"
Sunlit
Object was in full shadow at epoch
Visualization orbit readout
Latitude
21.22797°
Longitude
-55.9995°
Altitude
518.415 km
Speed
7.606 km/s
Apparent Right ascension
05h 56m 41s
Apparent Declination
-10° 06' 53"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time
14:57:30
Azimuth
294.327° NW
Elevation
-40.43°
Doppler factor
1
Orbital elements
Apogee altitude
524.703 km
Perigee altitude
513.262 km
Semi-major axis
6,897.12 km
Eccentricity
0.00083
Inclination
34.9968°
RAAN
337.7373°
Arg. of periapsis
1.4553°
True anomaly
Unknown
Mean anomaly
358.6183°
Eccentric anomaly
Unknown
Mean motion
3.78915 °/min
Orbital period
95.01 mins
BSTAR
0.00019296
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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.
4 mins2025-07-11 13:21:54.612Z191.555° SSW2025-07-11 13:23:54.612Z154.002° SSE17.876°2025-07-11 13:25:54.612Z119.525° SE
6 mins2025-07-11 15:00:54.612Z232.835° WSW2025-07-11 15:03:54.612Z156.236° SSE30.144°2025-07-11 15:06:54.612Z106.514° ESE
6 mins2025-07-11 16:40:54.612Z246.138° WSW2025-07-11 16:42:54.612Z205.108° SW29.304°2025-07-11 16:46:54.612Z122.387° SE
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