COSMOS 1261 DEB, 35507

Orbit data source: Space-Track

COSMOS 1261 DEB, 35507 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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COSMOS 1261 DEB details

Identifier	35507, 1981-031N
Orbit	Molniya
Last TLE update	1 day ago
Origin	GUKOS (CIS)
Manufacturer	Unknown
Mission	Spacecraft
Bus & Motor	Unknown
Mass	Unknown
Launch date (UTC)	1981-03-31 (44 years ago)
Launch vehicle	Unknown
Launch site	Plesetsk Missile And Space Complex (PKMTR)
Object type	Payload Rocket body Debris
Shape & HBR	Unknown
Radar Cross Section	Medium (>0.1 m² and <1 m²)

Expand to show TLE details & history

TLE from 1 day ago

0 COSMOS 1261 DEB
1 35507U 81031N   25034.79080774 -.00000764  00000-0  00000-0 0  9997
2 35507  63.6324  14.1828 7299374  39.1515 355.4787  2.01791317 88360

Epoch: 2025-02-03T18:58Z

Definitive object data (Epoch: 2025-02-03T18:58:45.788Z)

Latitude	0.00013°
Longitude	-44.76098°
Altitude	1,530.685 km
Speed	9.26 km/s
True Right ascension	00h 56m 32s
True Declination	0° 00' 00"
Sunlit	Object was in daylight at TLE epoch

Visualization TLE readout

Latitude	19.0264°
Longitude	-35.1636°
Altitude	930.361 km
Speed	9.698 km/s
Apparent Right ascension	23h 39m 09s
Apparent Declination	-10° 01' 22"
Sunlit	Object is in daylight

Visualization observer readout

Local Sidereal Time	08:46:53
Azimuth	296.015° NW
Elevation	-41.566°
Doppler factor	1

Orbital elements

Apogee altitude	39,381.233 km
Perigee altitude	765.413 km
Semi-major axis	26,451.46 km
Eccentricity	0.7299374
Inclination	63.6324°
RAAN	14.1828°
Arg. of periapsis	39.1515°
True anomaly	320.46261°
Mean anomaly	355.4787°
Eccentric anomaly	343.83559°
Mean motion	0.50451 °/min
BSTAR	Unknown
Orbital period	713.57 mins