YAOGAN-39 01B, 57728
Orbit data source: Space-Track
YAOGAN-39 01B, 57728 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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57728 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Last TLE update
3 hours ago
Origin
Manufacturer
SAST
Mission
Operational Defense Sigint
Bus & Motor
Unknown
Mass
~300 kg wet, ~300 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
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 01B
1 57728U 23130B 25187.21641449 .00004186 00000-0 20893-3 0 9996
2 57728 34.9938 148.9526 0014425 186.4821 173.5707 15.16862784102908Epoch: 2025-07-06T05:11Z
TLE epoch observation values (Epoch: 2025-07-06T05:11:38.211Z)
Latitude
-0.00001°
Longitude
146.60009°
Altitude
524.118 km
Speed
7.598 km/s
True Right ascension
09h 55m 48s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
-22.4394°
Longitude
109.90532°
Altitude
526.221 km
Speed
7.598 km/s
Apparent Right ascension
07h 45m 57s
Apparent Declination
-30° 45' 30"
Sunlit
Visualization observer readout
Local Sidereal Time
20:08:01
Azimuth
27.82° NE
Elevation
-79.801°
Doppler factor
1
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Other satellites on launch #130 in the year 2023 (2023-08-31 UTC)
YAOGAN-39 01B 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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2025-07-07 02:01:14.320Z | 208.222° SW | 2025-07-07 02:03:14.320Z | 157.128° SSE | 26.19° | 2025-07-07 02:06:14.320Z | 106.209° ESE |
| 6 mins | 2025-07-07 03:40:14.320Z | 243.827° WSW | 2025-07-07 03:43:14.320Z | 164.394° S | 31.841° | 2025-07-07 03:46:14.320Z | 113.491° SE |
| 4 mins | 2025-07-07 05:21:14.320Z | 229.795° WSW | 2025-07-07 05:22:14.320Z | 207.668° SW | 22.73° | 2025-07-07 05:25:14.320Z | 147.031° SSE |
Event ID | Pc | Md | Secondary | Secondary name | Country | Click to unsort rows by TCA header |
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