COSMOS 249 DEB, 3757
Orbit data source: Space-Track
COSMOS 249 DEB, 3757 is space debris in LEO originally from a launch on Sun, 20 Oct 1968 UTC launched from the Tyuratam Missile And Space Complex (TTMTR). 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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3757 intel report (Beta)
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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, 0.098 m
Radar Cross Section
Medium (>0.1 m² and <1 m²)
Expand to show TLE details & historyLast TLE update: 15 hours ago
TLE from 15 hours ago
0 COSMOS 249 DEB
1 03757U 68091AU 26296.79164273 .00009277 00000-0 10027-2 0 9997
2 03757 61.9718 157.3647 0345833 143.6973 218.8105 14.53792446852609Epoch: 2026-10-23T18:59Z
TLE epoch observation values (Epoch: 2026-10-23T18:59:57.931Z)
Latitude
-0.00009°
Longitude
-159.83384°
Altitude
909.343 km
Speed
7.296 km/s
True Right ascension
10h 29m 27s
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
05:16:29
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
957.452 km
Perigee altitude
467.035 km
Semi-major axis
7,090.38 km
Eccentricity
0.03458
Inclination
61.9718°
RAAN
157.3647°
Arg. of periapsis
143.6973°
True anomaly
216.40847°
Mean anomaly
218.8105°
Eccentric anomaly
217.60147°
Mean motion
3.63529 °/min
Orbital period
99.03 mins
BSTAR
0.0010027
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Other satellites on launch #91 in the year 1968 (1968-10-20 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 249 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. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2026-10-24 16:35:38.948Z | 207.209° SW | 2026-10-24 16:40:38.948Z | 95.837° ESE | 72.772° | 2026-10-24 16:44:38.948Z | 40.273° NE |
| 5 mins | 2026-10-24 18:20:38.948Z | 285.919° WNW | 2026-10-24 18:22:38.948Z | 313.328° NW | 18.803° | 2026-10-24 18:25:38.948Z | 357.813° N |
| 6 mins | 2026-10-25 01:16:38.948Z | 320.783° NNW | 2026-10-25 01:18:38.948Z | 304.183° NW | 64.263° | 2026-10-25 01:22:38.948Z | 148.792° SSE |
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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