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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
9 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 9 hours ago
0 YAOGAN-39 01A
1 57727U 23130A   25188.92779939  .00007403  00000-0  30936-3 0  9994
2 57727  35.0005 133.6716 0005535 271.8468  88.1612 15.22896832103190
Epoch: 2025-07-07T22:16Z
TLE epoch observation values (Epoch: 2025-07-07T22:16:01.867Z)
Latitude
-0.00005°
Longitude
-126.46636°
Altitude
495.895 km
Speed
7.619 km/s
True Right ascension
08h 54m 41s
True Declination
0° 00' 00"
Sunlit
Object was in daylight at epoch
Visualization orbit readout
Latitude
1.18323°
Longitude
-127.26083°
Altitude
495.632 km
Speed
7.619 km/s
Apparent Right ascension
08h 25m 20s
Apparent Declination
-18° 37' 14"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time
19:48:34
Azimuth
336.923° NNW
Elevation
-67.277°
Doppler factor
1
Orbital elements
Apogee altitude
504.165 km
Perigee altitude
496.551 km
Semi-major axis
6,878.495 km
Eccentricity
0.00055
Inclination
35.0005°
RAAN
133.6716°
Arg. of periapsis
271.8468°
True anomaly
Unknown
Mean anomaly
88.1612°
Eccentric anomaly
Unknown
Mean motion
3.80455 °/min
Orbital period
94.62 mins
BSTAR
0.00030936
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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 mins2025-07-08 23:39:58.466Z195.646° SSW2025-07-08 23:41:58.466Z163.465° S15.845°2025-07-08 23:43:58.466Z127.343° SE
5 mins2025-07-09 01:19:58.466Z218.124° SW2025-07-09 01:21:58.466Z158.539° S29.162°2025-07-09 01:24:58.466Z106.412° ESE
5 mins2025-07-09 02:58:58.466Z242.117° WSW2025-07-09 03:00:58.466Z192.167° SSW30.485°2025-07-09 03:03:58.466Z124.25° SE
4 mins2025-07-09 04:38:58.466Z230.046° WSW2025-07-09 04:39:58.466Z211.547° SW17.296°2025-07-09 04:42:58.466Z158.678° S
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