COSMOS 2251 DEB, 34756
Orbit data source: Space-Track
COSMOS 2251 DEB, 34756 is space debris in LEO originally from a launch on Wed, 16 Jun 1993 UTC launched from the Plesetsk Missile And Space Complex (PKMTR). The debris from Iridium 33, an American commercial communications satellite, has been tracked extensively since its accidental collision with the defunct Russian satellite Cosmos 2251 in 2009. This event, occurring at high speed in low Earth orbit (LEO), generated thousands of pieces of space debris, significantly increasing the risk of further collisions. The Iridium 33 debris cloud has impacted space traffic management and orbital debris mitigation strategies, making it a subject of ongoing study in space situational awareness.
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34756 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
CISRelated business
Manufacturer
Unknown
Mission
Spacecraft
Bus & Motor
Unknown
Mass
Unknown
Launch date (UTC)
Launch vehicle
Unknown
Launch site
Object type
Shape & HBR
Unknown
Radar Cross Section
Small (<0.1 m²)
Expand to show TLE details & historyLast TLE update: 19 hours ago
TLE from 19 hours ago
0 COSMOS 2251 DEB
1 34756U 93036AAA 25258.24270513 .00001084 00000-0 88273-3 0 9996
2 34756 74.0015 249.8396 0342105 144.7289 217.6997 13.66903814822122Epoch: 2025-09-15T05:49Z
TLE epoch observation values (Epoch: 2025-09-15T05:49:29.723Z)
Latitude
-0°
Longitude
168.01559°
Altitude
1,216.383 km
Speed
7.146 km/s
True Right ascension
16h 39m 21s
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
17:09:34
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,261.105 km
Perigee altitude
755.71 km
Semi-major axis
7,386.545 km
Eccentricity
0.03421
Inclination
74.0015°
RAAN
249.8396°
Arg. of periapsis
144.7289°
True anomaly
215.38157°
Mean anomaly
217.6997°
Eccentric anomaly
216.53287°
Mean motion
3.41886 °/min
Orbital period
105.3 mins
BSTAR
0.00088273
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Other satellites on launch #36 in the year 1993 (1993-06-16 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 2251 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. |
|---|---|---|---|---|---|---|---|
| 11 mins | 2025-09-16 01:16:10.520Z | 218.724° SW | 2025-09-16 01:22:10.520Z | 295.929° NW | 38.611° | 2025-09-16 01:27:10.520Z | 5.992° NNE |
| 9 mins | 2025-09-16 10:31:10.520Z | 350.91° N | 2025-09-16 10:35:10.520Z | 69.241° E | 41.133° | 2025-09-16 10:40:10.520Z | 149.238° SSE |
| 11 mins | 2025-09-17 00:05:10.520Z | 178.495° S | 2025-09-17 00:11:10.520Z | 98.422° ESE | 40.053° | 2025-09-17 00:16:10.520Z | 30.222° NE |
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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