COSMOS 2251 DEB, 36441
Orbit data source: Space-Track
COSMOS 2251 DEB, 36441 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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36441 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 shape, 0.1 m
Radar Cross Section
Small (<0.1 m²)
Expand to show TLE details & historyLast TLE update: 6 days ago
TLE from 6 days ago
0 COSMOS 2251 DEB
1 36441U 93036BAQ 25338.76278941 .00015248 00000-0 90033-3 0 9992
2 36441 73.8352 6.3404 0108490 107.4279 253.8807 15.06603971868459Epoch: 2025-12-04T18:18Z
TLE epoch observation values (Epoch: 2025-12-04T18:18:25.005Z)
Latitude
0.00005°
Longitude
17.92165°
Altitude
570.882 km
Speed
7.564 km/s
True Right ascension
00h 25m 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
02:47:25
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
619.25 km
Perigee altitude
469.05 km
Semi-major axis
6,922.287 km
Eccentricity
0.01085
Inclination
73.8352°
RAAN
6.3404°
Arg. of periapsis
107.4279°
True anomaly
252.69094°
Mean anomaly
253.8807°
Eccentric anomaly
253.28536°
Mean motion
3.7685 °/min
Orbital period
95.53 mins
BSTAR
0.00090033
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Other satellites on launch #36 in the year 1993 (1993-06-16 UTC)
Did you know?
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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2025-12-11 11:48:18.597Z | 357.097° N | 2025-12-11 11:51:18.597Z | 82.172° E | 35.812° | 2025-12-11 11:54:18.597Z | 141.771° SSE |
| 5 mins | 2025-12-12 01:44:18.597Z | 184.732° SSW | 2025-12-12 01:46:18.597Z | 142.353° SSE | 41.174° | 2025-12-12 01:49:18.597Z | 27.735° NE |
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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