COSMOS 1275 DEB, 39953
Orbit data source: Space-Track
COSMOS 1275 DEB, 39953 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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39953 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, 1.1 m
Radar Cross Section
Small (<0.1 m²)
Expand to show TLE details & historyLast TLE update: 2 days ago
TLE from 2 days ago
0 COSMOS 1275 DEB
1 39953U 81053NP 26303.42259659 .00000975 00000-0 12552-2 0 9990
2 39953 82.9703 7.3644 0175526 312.3992 46.2410 13.55578136 71996Epoch: 2026-10-30T10:08Z
TLE epoch observation values (Epoch: 2026-10-30T10:08:32.345Z)
Latitude
-0.00006°
Longitude
176.48673°
Altitude
965.681 km
Speed
7.413 km/s
True Right ascension
00h 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
22:58:53
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,179.344 km
Perigee altitude
918.614 km
Semi-major axis
7,427.116 km
Eccentricity
0.01755
Inclination
82.9703°
RAAN
7.3644°
Arg. of periapsis
312.3992°
True anomaly
47.71594°
Mean anomaly
46.241°
Eccentric anomaly
46.97623°
Mean motion
3.39088 °/min
Orbital period
106.17 mins
BSTAR
0.0012552
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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. |
|---|---|---|---|---|---|---|---|
| 12 mins | 2026-11-01 04:45:37.831Z | 173.884° S | 2026-11-01 04:50:37.831Z | 117.42° SE | 68.278° | 2026-11-01 04:57:37.831Z | 11.823° NNE |
| 7 mins | 2026-11-01 06:35:37.831Z | 260.153° W | 2026-11-01 06:38:37.831Z | 291.498° WNW | 18.908° | 2026-11-01 06:42:37.831Z | 330.877° NNW |
| 13 mins | 2026-11-01 15:52:37.831Z | 359.151° N | 2026-11-01 15:58:37.831Z | 70.739° E | 69.449° | 2026-11-01 16:05:37.831Z | 164.322° S |
| 8 mins | 2026-11-01 17:41:37.831Z | 312.572° NW | 2026-11-01 17:44:37.831Z | 283.897° WNW | 20.72° | 2026-11-01 17:49:37.831Z | 237.242° 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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