COSMOS 1275 DEB, 39966
Orbit data source: Space-Track
COSMOS 1275 DEB, 39966 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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39966 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: 1 day ago
TLE from 1 day ago
0 COSMOS 1275 DEB
1 39966U 81053PC 26082.22340988 .00001797 00000-0 11332-2 0 9990
2 39966 82.7046 68.1773 0036627 263.9119 113.6656 14.03415250601076Epoch: 2026-03-23T05:21Z
TLE epoch observation values (Epoch: 2026-03-23T05:21:42.613Z)
Latitude
17.80167°
Longitude
169.37481°
Altitude
895.113 km
Speed
7.401 km/s
True Right ascension
04h 42m 05s
True Declination
17° 42' 13"
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
20:09:32
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
905.693 km
Perigee altitude
852.53 km
Semi-major axis
7,257.249 km
Eccentricity
0.00366
Inclination
82.7046°
RAAN
68.1773°
Arg. of periapsis
263.9119°
True anomaly
114.04931°
Mean anomaly
113.6656°
Eccentric anomaly
113.85753°
Mean motion
3.51063 °/min
Orbital period
102.55 mins
BSTAR
0.0011332
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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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-03-24 22:28:36.958Z | 126.864° SE | 2026-03-24 22:31:36.958Z | 91.412° ESE | 20.748° | 2026-03-24 22:35:36.958Z | 42.155° NE |
| 10 mins | 2026-03-25 00:10:36.958Z | 212.651° SW | 2026-03-25 00:14:36.958Z | 268.132° W | 36.07° | 2026-03-25 00:20:36.958Z | 355.545° N |
| 4 mins | 2026-03-25 09:13:36.958Z | 48.524° ENE | 2026-03-25 09:15:36.958Z | 71.152° E | 14.105° | 2026-03-25 09:17:36.958Z | 92.85° ESE |
| 10 mins | 2026-03-25 10:54:36.958Z | 348.163° N | 2026-03-25 10:59:36.958Z | 236.319° WSW | 43.805° | 2026-03-25 11:04:36.958Z | 181.319° SSW |
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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