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
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
Radar Cross Section
Medium (>0.1 m² and <1 m²)
Expand to show TLE details & historyLast TLE update: 1 month ago
TLE from 1 month ago
0 COSMOS 1285 DEB
1 25839U 81071H 25226.59526360 -.00000362 00000-0 00000-0 0 9999
2 25839 67.0704 86.7436 6512542 8.4776 144.7637 1.98333727206074Epoch: 2025-08-14T14:17Z
TLE epoch observation values (Epoch: 2025-08-14T14:17:10.775Z)
Latitude
1.35241°
Longitude
88.62394°
Altitude
36,570.423 km
Speed
1.915 km/s
True Right ascension
17h 44m 42s
True Declination
1° 21' 04"
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
15:01:31
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
37,806.201 km
Perigee altitude
2,953.62 km
Semi-major axis
26,758.047 km
Eccentricity
0.65125
Inclination
67.0704°
RAAN
86.7436°
Arg. of periapsis
8.4776°
True anomaly
170.00916°
Mean anomaly
144.7637°
Eccentric anomaly
158.46224°
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. |
|---|---|---|---|---|---|---|---|
| 170 mins | 2025-09-17 22:13:37.033Z | 130.512° SE | 2025-09-17 22:29:37.033Z | 134.826° SE | 21.235° | 2025-09-18 01:03:37.033Z | 170.752° S |
| 332 mins | 2025-09-18 16:41:37.033Z | 272.182° WNW | 2025-09-18 16:56:37.033Z | 341.275° N | 35.578° | 2025-09-18 22:13:37.033Z | 131.085° SE |
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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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