COSMOS 1275 DEB, 39964
Orbit data source: Space-Track
COSMOS 1275 DEB, 39964 is space debris in LEO originally from a launch on Thu, 04 Jun 1981 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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39964 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
Small (<0.1 m²)
Expand to show TLE details & historyLast TLE update: 16 hours ago
TLE from 16 hours ago
0 COSMOS 1275 DEB
1 39964U 81053PA 26131.73622134 .00055532 00000-0 21965-2 0 9994
2 39964 83.0469 229.3814 0016512 240.9159 278.0027 15.25103361632652Epoch: 2026-05-11T17:40Z
TLE epoch observation values (Epoch: 2026-05-11T17:40:09.523Z)
Latitude
21.11433°
Longitude
-87.86327°
Altitude
491.689 km
Speed
7.622 km/s
True Right ascension
03h 06m 47s
True Declination
20° 59' 40"
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
18:10:33
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
498.752 km
Perigee altitude
476.079 km
Semi-major axis
6,865.552 km
Eccentricity
0.00165
Inclination
83.0469°
RAAN
229.3814°
Arg. of periapsis
240.9159°
True anomaly
277.81528°
Mean anomaly
278.0027°
Eccentric anomaly
277.90899°
Mean motion
3.81531 °/min
Orbital period
94.36 mins
BSTAR
0.0021965
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Other satellites on launch #53 in the year 1981 (1981-06-04 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 1275 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 | 2026-05-12 18:44:17.785Z | 336.942° NNW | 2026-05-12 18:47:17.785Z | 242.887° WSW | 35.811° | 2026-05-12 18:50:17.785Z | 192.106° SSW |
| 5 mins | 2026-05-13 06:54:17.785Z | 163.49° S | 2026-05-13 06:56:17.785Z | 98.741° ESE | 39.353° | 2026-05-13 06:59:17.785Z | 18.54° NNE |
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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