OBJECT A, 56157
Orbit data source: Space-Track
OBJECT A, 56157 is a satellite owned by PLA SSF (CN) in LEO that was launched on Fri, 31 Mar 2023 UTC via a CHANG ZHENG 4C 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.
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56157 intel report (Beta)
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Identifier
Orbit
Country
CN / PRCRelated business
Manufacturer
SAST
Mission
Operational Defense Imaging
Bus & Motor
Unknown
Mass
~500 kg wet, ~500 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Unknown
Shape & HBR
Box + 2 Pan, 0.5 m
Radar Cross Section
0.446 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 21 hours ago
TLE from 21 hours ago
0 OBJECT A
1 56157U 23048A 26172.54728453 -.00000041 00000-0 82232-4 0 9994
2 56157 63.4019 87.1544 0067588 355.3761 4.6633 13.45391429158526Epoch: 2026-06-21T13:08Z
TLE epoch observation values (Epoch: 2026-06-21T13:08:05.383Z)
Latitude
0°
Longitude
-19.61402°
Altitude
1,040.721 km
Speed
7.357 km/s
True Right ascension
05h 48m 37s
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
21:29:30
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,138.555 km
Perigee altitude
1,037.629 km
Semi-major axis
7,466.229 km
Eccentricity
0.00676
Inclination
63.4019°
RAAN
87.1544°
Arg. of periapsis
355.3761°
True anomaly
4.7268°
Mean anomaly
4.6633°
Eccentric anomaly
4.695°
Mean motion
3.36427 °/min
Orbital period
107.01 mins
BSTAR
0.000082232
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Other satellites on launch #48 in the year 2023 (2023-03-31 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 A Visibility forecast
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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. |
|---|---|---|---|---|---|---|---|
| 12 mins | 2026-06-22 19:34:29.912Z | 193.117° SSW | 2026-06-22 19:40:29.912Z | 106.478° ESE | 40.188° | 2026-06-22 19:46:29.912Z | 41.856° NE |
| 10 mins | 2026-06-22 21:26:29.912Z | 263.482° W | 2026-06-22 21:31:29.912Z | 324.16° NNW | 27.631° | 2026-06-22 21:36:29.912Z | 16.382° NNE |
| 10 mins | 2026-06-23 03:07:29.912Z | 352.278° N | 2026-06-23 03:11:29.912Z | 35.962° NE | 25.039° | 2026-06-23 03:17:29.912Z | 95.474° ESE |
| 12 mins | 2026-06-23 04:57:29.912Z | 321.095° NNW | 2026-06-23 05:02:29.912Z | 272.315° WNW | 43.448° | 2026-06-23 05:09:29.912Z | 156.817° SSE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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