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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
15 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 15 hours ago
0 YAOGAN-39 01A
1 57727U 23130A   25187.28887847  .00007944  00000-0  33210-3 0  9998
2 57727  35.0006 143.9763 0005494 259.4931 100.5164 15.22870001102941
Epoch: 2025-07-06T06:55Z
TLE epoch observation values (Epoch: 2025-07-06T06:55:59.099Z)
Latitude
-0.00007°
Longitude
115.46525°
Altitude
496.787 km
Speed
7.618 km/s
True Right ascension
09h 35m 54s
True Declination
0° 00' 00"
Sunlit
Object was in daylight at epoch
Visualization orbit readout
Latitude
-29.03445°
Longitude
-16.48263°
Altitude
500.6 km
Speed
7.617 km/s
Apparent Right ascension
23h 36m 35s
Apparent Declination
-35° 45' 20"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time
10:07:56
Azimuth
276.352° WNW
Elevation
-72.06°
Doppler factor
1
Orbital elements
Apogee altitude
504.218 km
Perigee altitude
496.66 km
Semi-major axis
6,878.576 km
Eccentricity
0.00055
Inclination
35.0006°
RAAN
143.9763°
Arg. of periapsis
259.4931°
True anomaly
Unknown
Mean anomaly
100.5164°
Eccentric anomaly
Unknown
Mean motion
3.80448 °/min
Orbital period
94.63 mins
BSTAR
0.0003321
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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 00:27:51.386Z188.068° SSW2025-07-07 00:29:51.386Z155.189° SSE14.557°2025-07-07 00:31:51.386Z122.683° SE
5 mins2025-07-07 02:06:51.386Z224.162° SW2025-07-07 02:08:51.386Z178.89° S28.485°2025-07-07 02:11:51.386Z110.809° ESE
5 mins2025-07-07 03:46:51.386Z236.104° WSW2025-07-07 03:48:51.386Z175.336° S30.94°2025-07-07 03:51:51.386Z119.171° SE
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