COSMOS 1261 DEB, 27901
Orbit data source: Space-Track
COSMOS 1261 DEB, 27901 is space debris in HEO 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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27901 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: 3 months ago
TLE from 3 months ago
0 COSMOS 1261 DEB
1 27901U 81031J 25178.59040850 .03345277 41571-5 49061-2 0 9992
2 27901 62.1603 64.3254 6969831 52.8731 352.4013 2.76083540173836Epoch: 2025-06-27T14:10Z
TLE epoch observation values (Epoch: 2025-06-27T14:10:11.294Z)
Latitude
0.00013°
Longitude
-64.1025°
Altitude
1,365.286 km
Speed
9.187 km/s
True Right ascension
04h 17m 32s
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
19:05:11
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
30,044.089 km
Perigee altitude
125.493 km
Semi-major axis
21,462.928 km
Eccentricity
0.69698
Inclination
62.1603°
RAAN
64.3254°
Arg. of periapsis
52.8731°
True anomaly
307.4609°
Mean anomaly
352.4013°
Eccentric anomaly
336.43789°
Mean motion
0.69026 °/min
Orbital period
521.55 mins
BSTAR
0.0049061
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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
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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. |
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| COSMOS 1261 DEB is likely not visible in the next few days. |
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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