COSMOS 1275 DEB, 39943
Orbit data source: Space-Track
COSMOS 1275 DEB, 39943 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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39943 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 39943U 81053ND 26144.67068953 .00000518 00000-0 59949-3 0 9999
2 39943 83.0646 219.9614 0151279 95.2612 56.3240 13.62436067592700Epoch: 2026-05-24T16:05Z
TLE epoch observation values (Epoch: 2026-05-24T16:05:47.575Z)
Latitude
26.78044°
Longitude
-87.25772°
Altitude
969.161 km
Speed
7.4 km/s
True Right ascension
02h 25m 50s
True Declination
26° 38' 47"
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
06:27:33
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,135.992 km
Perigee altitude
912.034 km
Semi-major axis
7,402.15 km
Eccentricity
0.01513
Inclination
83.0646°
RAAN
219.9614°
Arg. of periapsis
95.2612°
True anomaly
57.78174°
Mean anomaly
56.324°
Eccentric anomaly
57.05135°
Mean motion
3.40805 °/min
Orbital period
105.63 mins
BSTAR
0.00059949
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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 | 2026-05-26 04:30:09.799Z | 131.59° SE | 2026-05-26 04:34:09.799Z | 86.075° E | 22.14° | 2026-05-26 04:38:09.799Z | 38.986° NE |
| 9 mins | 2026-05-26 06:16:09.799Z | 216.412° SW | 2026-05-26 06:20:09.799Z | 276.721° WNW | 35.569° | 2026-05-26 06:25:09.799Z | 350.855° N |
| 7 mins | 2026-05-26 15:33:09.799Z | 33.312° NE | 2026-05-26 15:36:09.799Z | 69.231° E | 20.075° | 2026-05-26 15:40:09.799Z | 114.794° SE |
| 9 mins | 2026-05-26 17:19:09.799Z | 336.292° NNW | 2026-05-26 17:23:09.799Z | 265.771° W | 38.379° | 2026-05-26 17:28:09.799Z | 196.524° 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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