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: 2 weeks ago
TLE from 2 weeks ago
0 COSMOS 1275 DEB
1 42099U 81053PK 26161.91932236 .00004161 00000-0 14821-2 0 9992
2 42099 82.8525 36.1447 0028820 38.7074 321.6172 14.33862898535580Epoch: 2026-06-10T22:03Z
TLE epoch observation values (Epoch: 2026-06-10T22:03:49.451Z)
Latitude
-0.00007°
Longitude
165.91808°
Altitude
765.678 km
Speed
7.48 km/s
True Right ascension
02h 24m 34s
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
17:36:44
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
796.537 km
Perigee altitude
755.301 km
Semi-major axis
7,154.056 km
Eccentricity
0.00288
Inclination
82.8525°
RAAN
36.1447°
Arg. of periapsis
38.7074°
True anomaly
321.41156°
Mean anomaly
321.6172°
Eccentric anomaly
321.51444°
Mean motion
3.58686 °/min
Orbital period
100.37 mins
BSTAR
0.0014821
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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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-06-22 13:53:22.144Z | 117.271° SE | 2026-06-22 13:55:22.144Z | 90.959° ESE | 17.268° | 2026-06-22 13:58:22.144Z | 50.424° ENE |
| 8 mins | 2026-06-22 15:33:22.144Z | 216.552° SW | 2026-06-22 15:36:22.144Z | 274.939° WNW | 35.873° | 2026-06-22 15:41:22.144Z | 354.573° N |
| 8 mins | 2026-06-23 02:03:22.144Z | 359.266° N | 2026-06-23 02:06:22.144Z | 35.641° NE | 43.012° | 2026-06-23 02:11:22.144Z | 167.135° S |
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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