COSMOS 2491 DEB, 57559
Orbit data source: Space-Track
COSMOS 2491 DEB, 57559 is space debris in LEO originally from a launch on Wed, 25 Dec 2013 UTC launched from the Plesetsk Missile And Space Complex (PKMTR). Debris objects in space refer to the collection of defunct objects orbiting the Earth. Examples of debris include non-operational satellites, rocket bodies, and fragments generated from explosions, collisions, or faulty payload assembly.
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57559 intel report (Beta)
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Identifier
Orbit
Country
CISRelated business
Manufacturer
TsNIIKhM
Mission
Spacecraft
Bus & Motor
Unknown
Mass
Unknown
Launch date (UTC)
Launch vehicle
Unknown
Launch site
Object type
Shape & HBR
Unknown shape, 0.054 m
Radar Cross Section
Small (<0.1 m²)
Expand to show TLE details & historyLast TLE update: 4 days ago
TLE from 4 days ago
0 COSMOS 2491 DEB
1 57559U 13076AW 26299.10163130 .00000476 00000-0 32408-2 0 9997
2 57559 82.4801 85.1538 0018215 245.9187 113.9989 12.45811802157431Epoch: 2026-10-26T02:26Z
TLE epoch observation values (Epoch: 2026-10-26T02:26:20.944Z)
Latitude
-0°
Longitude
14.08259°
Altitude
1,490.611 km
Speed
7.116 km/s
True Right ascension
05h 40m 36s
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
04:51:59
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,493.723 km
Perigee altitude
1,465.097 km
Semi-major axis
7,857.547 km
Eccentricity
0.00182
Inclination
82.4801°
RAAN
85.1538°
Arg. of periapsis
245.9187°
True anomaly
114.18941°
Mean anomaly
113.9989°
Eccentric anomaly
114.09417°
Mean motion
3.11611 °/min
Orbital period
115.53 mins
BSTAR
0.0032408
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Other satellites on launch #76 in the year 2013 (2013-12-25 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.COSMOS 2491 DEB 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. |
|---|---|---|---|---|---|---|---|
| 17 mins | 2026-10-30 10:35:37.932Z | 197.964° SSW | 2026-10-30 10:44:37.932Z | 294.62° NW | 66.624° | 2026-10-30 10:52:37.932Z | 2.479° NNE |
| 5 mins | 2026-10-30 12:40:37.932Z | 287.764° WNW | 2026-10-30 12:42:37.932Z | 301.946° NW | 12.61° | 2026-10-30 12:45:37.932Z | 322.867° NNW |
| 15 mins | 2026-10-30 20:46:37.932Z | 1.572° NNE | 2026-10-30 20:53:37.932Z | 68.403° E | 59.021° | 2026-10-30 21:01:37.932Z | 155.356° SSE |
| 12 mins | 2026-10-30 22:44:37.932Z | 323.384° NNW | 2026-10-30 22:49:37.932Z | 280.269° WNW | 28.7° | 2026-10-30 22:56:37.932Z | 223.69° SW |
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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