COSMOS 2491 DEB, 57553
Orbit data source: Space-Track
COSMOS 2491 DEB, 57553 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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57553 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, 0.050 m
Radar Cross Section
Small (<0.1 m²)
Expand to show TLE details & historyLast TLE update: 2 weeks ago
TLE from 2 weeks ago
0 COSMOS 2491 DEB
1 57553U 13076AQ 26287.66005319 .00000055 00000-0 29294-3 0 9996
2 57553 82.4719 72.6076 0045299 50.5932 309.9149 12.50328718156700Epoch: 2026-10-14T15:50Z
TLE epoch observation values (Epoch: 2026-10-14T15:50:28.595Z)
Latitude
-0.00005°
Longitude
171.78186°
Altitude
1,443.13 km
Speed
7.151 km/s
True Right ascension
04h 50m 25s
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
06:02:16
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,495.97 km
Perigee altitude
1,424.954 km
Semi-major axis
7,838.599 km
Eccentricity
0.00453
Inclination
82.4719°
RAAN
72.6076°
Arg. of periapsis
50.5932°
True anomaly
309.51531°
Mean anomaly
309.9149°
Eccentric anomaly
309.71525°
Mean motion
3.12741 °/min
Orbital period
115.11 mins
BSTAR
0.00029294
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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. |
|---|---|---|---|---|---|---|---|
| 12 mins | 2026-10-30 18:28:43.441Z | 23.071° NE | 2026-10-30 18:33:43.441Z | 65.623° ENE | 25.86° | 2026-10-30 18:40:43.441Z | 120.4° SE |
| 15 mins | 2026-10-30 20:23:43.441Z | 345.303° N | 2026-10-30 20:30:43.441Z | 266.88° W | 67.947° | 2026-10-30 20:38:43.441Z | 187.733° SSW |
| 12 mins | 2026-10-31 07:24:43.441Z | 129.879° SE | 2026-10-31 07:30:43.441Z | 77.078° E | 26.871° | 2026-10-31 07:36:43.441Z | 30.611° NE |
| 15 mins | 2026-10-31 09:18:43.441Z | 204.535° SW | 2026-10-31 09:25:43.441Z | 282.294° WNW | 60.689° | 2026-10-31 09:33:43.441Z | 0.669° NNE |
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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