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YAOGAN-39 04A, 58141

Orbit data source: Space-Track

YAOGAN-39 04A, 58141 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
58141, 2023-163A
Orbit
LEO
Last TLE update
6 hours ago
Origin
Manufacturer
DFH
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 6 hours ago
0 YAOGAN-39 04A
1 58141U 23163A   25129.11172791  .00015560  00000-0  64464-3 0  9996
2 58141  35.0009   5.9434 0007407 311.2927  48.7150 15.23052175 85937
Epoch: 2025-05-09T02:40Z
Definitive object data (Epoch: 2025-05-09T02:40:53.291Z)
Latitude
0.00001°
Longitude
98.54881°
Altitude
492.191 km
Speed
7.623 km/s
True Right ascension
00h 23m 46s
True Declination
0° 00' 00"
Sunlit
Object was in daylight at TLE epoch
Visualization TLE readout
Latitude
-32.32123°
Longitude
33.00764°
Altitude
499.947 km
Speed
7.618 km/s
Apparent Right ascension
23h 42m 02s
Apparent Declination
-60° 09' 04"
Sunlit
Object is in full shadow
Visualization observer readout
Local Sidereal Time
16:49:47
Azimuth
140.733° SSE
Elevation
-40.004°
Doppler factor
1
Orbital elements
Apogee altitude
504.985 km
Perigee altitude
494.796 km
Semi-major axis
6,878.028 km
Eccentricity
0.0007407
Inclination
35.0009°
RAAN
5.9434°
Arg. of periapsis
311.2927°
True anomaly
48.77882°
Mean anomaly
48.715°
Eccentric anomaly
48.74691°
Mean motion
3.80494 °/min
BSTAR
0.00064464
Orbital period
94.61 mins
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Other satellites on launch #163 in the year 2023 (2023-10-23 UTC)

YAOGAN-39 04A 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 mins2025-05-09 20:16:35.212Z201.003° SSW2025-05-09 20:17:35.212Z176.755° S24.566°2025-05-09 20:20:35.212Z112.316° ESE
5 mins2025-05-09 21:55:35.212Z234.468° WSW2025-05-09 21:57:35.212Z173.656° S32.107°2025-05-09 22:00:35.212Z113.907° SE
4 mins2025-05-09 23:35:35.212Z227.077° WSW2025-05-09 23:36:35.212Z203.086° SW23.432°2025-05-09 23:39:35.212Z143.166° SSE
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