COSMOS 1275 DEB, 42099
Orbit data source: Space-Track
COSMOS 1275 DEB, 42099 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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42099 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 week ago
TLE from 1 week ago
0 COSMOS 1275 DEB
1 42099U 81053PK 26152.98683774 .00005772 00000-0 20611-2 0 9992
2 42099 82.8516 43.5309 0029464 64.4207 296.0021 14.33774741534304Epoch: 2026-06-01T23:41Z
TLE epoch observation values (Epoch: 2026-06-01T23:41:02.780Z)
Latitude
-0.00011°
Longitude
157.80302°
Altitude
772.924 km
Speed
7.472 km/s
True Right ascension
02h 54m 07s
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
18:31:30
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
797.292 km
Perigee altitude
755.133 km
Semi-major axis
7,154.35 km
Eccentricity
0.00295
Inclination
82.8516°
RAAN
43.5309°
Arg. of periapsis
64.4207°
True anomaly
295.69815°
Mean anomaly
296.0021°
Eccentric anomaly
295.85018°
Mean motion
3.58664 °/min
Orbital period
100.37 mins
BSTAR
0.0020611
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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. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2026-06-09 16:02:05.229Z | 155.55° SSE | 2026-06-09 16:06:05.229Z | 89.741° E | 33.041° | 2026-06-09 16:10:05.229Z | 25.583° NE |
| 6 mins | 2026-06-09 17:45:05.229Z | 253.271° W | 2026-06-09 17:47:05.229Z | 282.336° WNW | 19.745° | 2026-06-09 17:51:05.229Z | 335.377° NNW |
| 5 mins | 2026-06-10 02:34:05.229Z | 45.836° ENE | 2026-06-10 02:36:05.229Z | 74.306° E | 17.948° | 2026-06-10 02:39:05.229Z | 111.927° ESE |
| 8 mins | 2026-06-10 04:14:05.229Z | 333.325° NNW | 2026-06-10 04:17:05.229Z | 277.951° WNW | 36.614° | 2026-06-10 04:22:05.229Z | 195.944° 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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