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YAOGAN-39 01A, 57727

Orbit data source: Space-Track

YAOGAN-39 01A, 57727 is a payload satellite owned by PLA GAD (CN) in LEO that was launched on Thu, 31 Aug 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
57727, 2023-130A
Orbit
LEO
Last TLE update
3 hours ago
Origin
Manufacturer
DFH
Mission
Operational Defense Sigint
Bus & Motor
Unknown
Mass
~300 kg wet, ~300 kg dry
Launch date (UTC)
2023-08-31 (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 3 hours ago
0 YAOGAN-39 01A
1 57727U 23130A   25187.22332103  .00007939  00000-0  33192-3 0  9995
2 57727  35.0006 144.3885 0005495 258.9737 101.0360 15.22868874102938
Epoch: 2025-07-06T05:21Z
TLE epoch observation values (Epoch: 2025-07-06T05:21:34.936Z)
Latitude
-0.00001°
Longitude
139.54282°
Altitude
496.824 km
Speed
7.618 km/s
True Right ascension
09h 37m 33s
True Declination
0° 00' 00"
Sunlit
Object was in daylight at epoch
Visualization orbit readout
Latitude
-32.89433°
Longitude
72.07735°
Altitude
502.183 km
Speed
7.616 km/s
Apparent Right ascension
06h 30m 43s
Apparent Declination
-38° 18' 47"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time
20:09:40
Azimuth
93.175° ESE
Elevation
-70.804°
Doppler factor
1
Orbital elements
Apogee altitude
504.222 km
Perigee altitude
496.662 km
Semi-major axis
6,878.579 km
Eccentricity
0.00055
Inclination
35.0006°
RAAN
144.3885°
Arg. of periapsis
258.9737°
True anomaly
Unknown
Mean anomaly
101.036°
Eccentric anomaly
Unknown
Mean motion
3.80448 °/min
Orbital period
94.63 mins
BSTAR
0.00033192
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Other satellites on launch #130 in the year 2023 (2023-08-31 UTC)

YAOGAN-39 01A 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 mins2025-07-07 00:27:52.487Z187.826° SSW2025-07-07 00:29:52.487Z154.854° SSE14.555°2025-07-07 00:31:52.487Z122.447° SE
5 mins2025-07-07 02:06:52.487Z223.94° SW2025-07-07 02:08:52.487Z178.262° S28.517°2025-07-07 02:11:52.487Z110.643° ESE
5 mins2025-07-07 03:46:52.487Z235.809° WSW2025-07-07 03:48:52.487Z174.626° S30.899°2025-07-07 03:51:52.487Z119.054° SE
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