COSMOS 1285 DEB, 25839
Orbit data source: Space-Track
COSMOS 1285 DEB, 25839 is space debris in HEO originally from a launch on Tue, 04 Aug 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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25839 intel report (Beta)
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Edit Public Description
Expand to show TLE details & historyLast TLE update: 1 month ago
TLE from 1 month ago
0 COSMOS 1285 DEB
1 25839U 81071H 25317.66082175 -.00000569 00000-0 00000+0 0 9997
2 25839 67.2103 79.7104 6475297 6.6239 2.1040 1.98332627207885Epoch: 2025-11-13T15:51Z
TLE epoch observation values (Epoch: 2025-11-13T15:51:34.999Z)
Latitude
18.82131°
Longitude
156.98438°
Altitude
3,152.152 km
Speed
8.293 km/s
True Right ascension
05h 51m 34s
True Declination
18° 44' 34"
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
02:18:44
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
37,706.708 km
Perigee altitude
3,053.316 km
Semi-major axis
26,758.149 km
Eccentricity
0.64753
Inclination
67.2103°
RAAN
79.7104°
Arg. of periapsis
6.6239°
True anomaly
12.82097°
Mean anomaly
2.104°
Eccentric anomaly
5.94966°
Mean motion
0.49586 °/min
Orbital period
726.01 mins
BSTAR
0
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Other satellites on launch #71 in the year 1981 (1981-08-04 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 1285 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. |
|---|---|---|---|---|---|---|---|
| 481 mins | 2025-12-25 12:33:39.522Z | 310.408° NW | 2025-12-25 13:27:39.522Z | 49.868° ENE | 39.165° | 2025-12-25 20:34:39.522Z | 209.565° SW |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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