COSMOS 1275 DEB, 39946
Orbit data source: Space-Track
COSMOS 1275 DEB, 39946 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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39946 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: 2 weeks ago
TLE from 2 weeks ago
0 COSMOS 1275 DEB
1 39946U 81053NG 26207.55248518 .00000237 00000-0 20783-3 0 9998
2 39946 82.9564 146.3839 0035380 135.1918 225.2109 13.81298111931412Epoch: 2026-07-26T13:15Z
TLE epoch observation values (Epoch: 2026-07-26T13:15:34.719Z)
Latitude
-0°
Longitude
3.24046°
Altitude
980.533 km
Speed
7.352 km/s
True Right ascension
09h 45m 32s
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
03:59:28
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
982.375 km
Perigee altitude
930.476 km
Semi-major axis
7,334.563 km
Eccentricity
0.00354
Inclination
82.9564°
RAAN
146.3839°
Arg. of periapsis
135.1918°
True anomaly
224.92406°
Mean anomaly
225.2109°
Eccentric anomaly
225.06739°
Mean motion
3.45527 °/min
Orbital period
104.19 mins
BSTAR
0.00020783
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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. |
|---|---|---|---|---|---|---|---|
| 11 mins | 2026-08-11 18:46:48.144Z | 179.671° S | 2026-08-11 18:52:48.144Z | 46.761° ENE | 43.733° | 2026-08-11 18:57:48.144Z | 10.108° NNE |
| 4 mins | 2026-08-11 20:36:48.144Z | 279.25° WNW | 2026-08-11 20:37:48.144Z | 290.186° WNW | 14.049° | 2026-08-11 20:40:48.144Z | 321.485° NNW |
| 10 mins | 2026-08-12 05:41:48.144Z | 3.494° NNE | 2026-08-12 05:46:48.144Z | 86.353° E | 40.573° | 2026-08-12 05:51:48.144Z | 157.58° S |
| 6 mins | 2026-08-12 07:28:48.144Z | 304.372° NW | 2026-08-12 07:30:48.144Z | 281.049° WNW | 17.735° | 2026-08-12 07:34:48.144Z | 237.565° WSW |
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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