COSMOS 249 DEB, 3755
Orbit data source: Space-Track
COSMOS 249 DEB, 3755 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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3755 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, 0.1 m
Radar Cross Section
Medium (>0.1 m² and <1 m²)
Expand to show TLE details & historyLast TLE update: 2 days ago
TLE from 2 days ago
0 COSMOS 249 DEB
1 03755U 68091AT 26201.04479873 .00000840 00000-0 10684-2 0 9990
2 03755 62.2429 65.7975 0778402 123.2486 244.5571 12.81689511647669Epoch: 2026-07-20T01:04Z
TLE epoch observation values (Epoch: 2026-07-20T01:04:30.610Z)
Latitude
-0.00005°
Longitude
111.83544°
Altitude
1,630.447 km
Speed
6.921 km/s
True Right ascension
04h 23m 11s
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
05:28:55
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,933.973 km
Perigee altitude
733.393 km
Semi-major axis
7,711.82 km
Eccentricity
0.07784
Inclination
62.2429°
RAAN
65.7975°
Arg. of periapsis
123.2486°
True anomaly
236.84923°
Mean anomaly
244.5571°
Eccentric anomaly
240.66893°
Mean motion
3.20485 °/min
Orbital period
112.33 mins
BSTAR
0.0010684
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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. |
|---|---|---|---|---|---|---|---|
| 12 mins | 2026-07-21 16:31:34.366Z | 204.226° SW | 2026-07-21 16:37:34.366Z | 151.328° SSE | 43.589° | 2026-07-21 16:43:34.366Z | 40.513° NE |
| 9 mins | 2026-07-21 18:29:34.366Z | 269.579° W | 2026-07-21 18:34:34.366Z | 318.99° NNW | 23.413° | 2026-07-21 18:38:34.366Z | 7.467° NNE |
| 7 mins | 2026-07-22 00:27:34.366Z | 351.833° N | 2026-07-22 00:30:34.366Z | 53.901° ENE | 30.788° | 2026-07-22 00:34:34.366Z | 112.161° ESE |
| 6 mins | 2026-07-22 02:23:34.366Z | 284.904° WNW | 2026-07-22 02:25:34.366Z | 253.266° W | 22.998° | 2026-07-22 02:29:34.366Z | 194.519° SSW |
| 10 mins | 2026-07-22 14:58:34.366Z | 157.057° SSE | 2026-07-22 15:03:34.366Z | 115.702° SE | 22.238° | 2026-07-22 15:08:34.366Z | 67.293° ENE |
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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