COSMOS 1261 DEB, 12892
Orbit data source: Space-Track
COSMOS 1261 DEB, 12892 is space debris originally from a launch on Tue, 31 Mar 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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12892 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 shape, 1.1 m
Radar Cross Section
Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 22 hours ago
TLE from 22 hours ago
0 COSMOS 1261 DEB
1 12892U 81031E 25303.53877031 .00001001 00000-0 16311-2 0 9998
2 12892 62.1470 123.2441 7453314 43.1354 355.5368 2.00170577254801Epoch: 2025-10-30T12:55Z
TLE epoch observation values (Epoch: 2025-10-30T12:55:49.754Z)
Latitude
0.00016°
Longitude
-109.88207°
Altitude
1,274.702 km
Speed
9.445 km/s
True Right ascension
08h 12m 41s
True Declination
0° 00' 01"
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
07:01:11
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
40,037.477 km
Perigee altitude
394.559 km
Semi-major axis
26,594.155 km
Eccentricity
0.74533
Inclination
62.147°
RAAN
123.2441°
Arg. of periapsis
43.1354°
True anomaly
317.67972°
Mean anomaly
355.5368°
Eccentric anomaly
343.17866°
Mean motion
0.50045 °/min
Orbital period
719.35 mins
BSTAR
0.0016311
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Other satellites on launch #31 in the year 1981 (1981-03-31 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 1261 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. |
|---|---|---|---|---|---|---|---|
| 157 mins | 2025-11-01 01:22:35.921Z | 304.61° NW | 2025-11-01 01:44:35.921Z | 250.18° W | 32.958° | 2025-11-01 03:59:35.921Z | 223.45° 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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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