COSMOS 1275 DEB, 18640
Orbit data source: Space-Track
COSMOS 1275 DEB, 18640 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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18640 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, 0.065 m
Radar Cross Section
Medium (>0.1 m² and <1 m²)
Expand to show TLE details & historyLast TLE update: 1 day ago
TLE from 1 day ago
0 COSMOS 1275 DEB
1 18640U 81053MA 26317.49766992 .00001477 00000-0 11911-2 0 9991
2 18640 83.2047 331.3876 0084359 181.4870 331.1521 13.88103562 82489Epoch: 2026-11-13T11:56Z
TLE epoch observation values (Epoch: 2026-11-13T11:56:38.681Z)
Latitude
27.66014°
Longitude
-83.95136°
Altitude
884.764 km
Speed
7.44 km/s
True Right ascension
09h 51m 18s
True Declination
27° 31' 17"
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
11:43:52
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
994.076 km
Perigee altitude
870.734 km
Semi-major axis
7,310.542 km
Eccentricity
0.00844
Inclination
83.2047°
RAAN
331.3876°
Arg. of periapsis
181.487°
True anomaly
330.68135°
Mean anomaly
331.1521°
Eccentric anomaly
330.91716°
Mean motion
3.47231 °/min
Orbital period
103.68 mins
BSTAR
0.0011911
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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 | 2026-11-15 01:22:24.567Z | 170.734° S | 2026-11-15 01:27:24.567Z | 115.948° SE | 61.455° | 2026-11-15 01:33:24.567Z | 14.344° NNE |
| 6 mins | 2026-11-15 03:10:24.567Z | 261.904° W | 2026-11-15 03:12:24.567Z | 284.67° WNW | 19.258° | 2026-11-15 03:16:24.567Z | 328.681° NNW |
| 9 mins | 2026-11-15 12:15:24.567Z | 16.842° NNE | 2026-11-15 12:19:24.567Z | 85.538° E | 40.896° | 2026-11-15 12:24:24.567Z | 147.127° SSE |
| 7 mins | 2026-11-15 14:00:24.567Z | 313.961° NW | 2026-11-15 14:03:24.567Z | 272.718° WNW | 24.721° | 2026-11-15 14:07:24.567Z | 224.953° SW |
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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