OBJECT B, 57581 (Decayed)
Orbit data source: Space-Track
OBJECT B, 57581 was a Chinese satellite in LEO that was launched on Thu, 10 Aug 2023 UTC via a GUSHENXING 1 launch vehicle from the Jiuquan Satellite Launch Center, China (JSC). Unknown objects in Earth's orbit typically refer to objects detected orbiting the Earth but have not yet been identified or cataloged. These objects could be anything from previously untracked satellites, spent rocket stages, debris from satellite collisions, or even natural meteoroids temporarily captured by Earth's gravity. This object's orbit decayed before it could be identified.
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57581 intel report (Beta)
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Identifier
Orbit
Country
CN / PRCRelated business
None
Manufacturer
Unknown
Mission
Decayed Commercial Imaging
Bus & Motor
Unknown
Mass
Unknown
Launch date (UTC)
Launch vehicle
Launch site
Object type
Unknown
Shape & HBR
Box + 2 Pan, 0.5 m
Radar Cross Section
0.195 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 1 year ago
TLE from 1 year ago
0 OBJECT B
1 57581U 23117B 25138.61283596 .14469295 25880-5 38301-3 0 9995
2 57581 97.4190 227.0637 0014340 263.0141 96.9529 16.44463851 99059Epoch: 2025-05-18T14:42Z
TLE epoch observation values (Epoch: 2025-05-18T14:42:29.026Z)
Latitude
-0.00013°
Longitude
129.90548°
Altitude
158.359 km
Speed
7.81 km/s
True Right ascension
15h 08m 15s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
00:29:40
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
160.12 km
Perigee altitude
141.395 km
Semi-major axis
6,528.895 km
Eccentricity
0.00143
Inclination
97.419°
RAAN
227.0637°
Arg. of periapsis
263.0141°
True anomaly
97.11598°
Mean anomaly
96.9529°
Eccentric anomaly
97.03444°
Mean motion
4.11418 °/min
Orbital period
87.5 mins
BSTAR
0.00038301
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Other satellites on launch #117 in the year 2023 (2023-08-10 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.OBJECT B Visibility
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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. |
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| This satellite is decayed. |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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