COSMOS 2499 DEB, 55727
Orbit data source: Space-Track
COSMOS 2499 DEB, 55727 is space debris in LEO originally from a launch on Fri, 23 May 2014 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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55727 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, 0.1 m
Radar Cross Section
Medium (>0.1 m² and <1 m²)
Expand to show TLE details & historyLast TLE update: 5 days ago
TLE from 5 days ago
0 COSMOS 2499 DEB
1 55727U 14028AP 26151.25325534 .00000260 00000-0 10146-2 0 9997
2 55727 82.2375 246.3847 0190817 79.3315 282.9209 12.79571232157322Epoch: 2026-05-31T06:04Z
TLE epoch observation values (Epoch: 2026-05-31T06:04:41.261Z)
Latitude
-0.00004°
Longitude
-93.54481°
Altitude
1,315.678 km
Speed
7.213 km/s
True Right ascension
16h 25m 32s
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
10:11:00
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,487.787 km
Perigee altitude
1,193.218 km
Semi-major axis
7,718.64 km
Eccentricity
0.01908
Inclination
82.2375°
RAAN
246.3847°
Arg. of periapsis
79.3315°
True anomaly
280.77874°
Mean anomaly
282.9209°
Eccentric anomaly
281.8509°
Mean motion
3.2006 °/min
Orbital period
112.48 mins
BSTAR
0.0010146
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Other satellites on launch #28 in the year 2014 (2014-05-23 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 2499 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. |
|---|---|---|---|---|---|---|---|
| 14 mins | 2026-06-05 06:15:41.519Z | 173.538° S | 2026-06-05 06:22:41.519Z | 100.745° ESE | 42.479° | 2026-06-05 06:29:41.519Z | 14.132° NNE |
| 9 mins | 2026-06-05 08:12:41.519Z | 252.407° W | 2026-06-05 08:16:41.519Z | 289.951° WNW | 19.969° | 2026-06-05 08:21:41.519Z | 336.787° NNW |
| 9 mins | 2026-06-05 16:10:41.519Z | 29.808° NE | 2026-06-05 16:14:41.519Z | 68.432° E | 21.182° | 2026-06-05 16:19:41.519Z | 112.497° ESE |
| 13 mins | 2026-06-05 18:02:41.519Z | 344.489° N | 2026-06-05 18:08:41.519Z | 267.672° W | 42.759° | 2026-06-05 18:15:41.519Z | 187.068° SSW |
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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