COSMOS 1261 DEB, 12893

Orbit data source: Space-Track

COSMOS 1261 DEB, 12893 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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https://www.satcat.com/sats-embedded/12893?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

12893, 1981-031F

Orbit

Molniya

Country

CIS

Related business

Russian Aerospace Forces (RU)

Manufacturer

Unknown

Mission

Spacecraft

Bus & Motor

Unknown

Mass

Unknown

Launch date (UTC)

1981-03-31 (45 years ago)

Launch vehicle

Unknown

Launch site

Plesetsk Missile And Space Complex (PKMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown shape, 0.6 m

Radar Cross Section

Medium (>0.1 m² and <1 m²)

Expand to show TLE details & history
Last TLE update: 4 days ago

TLE from 4 days ago

0 COSMOS 1261 DEB
1 12893U 81031F   26256.41725401  .00000666  00000-0  00000-0 0  9999
2 12893  63.9435 334.4780 7167667  25.3880 356.9999  2.01094892313888

Epoch: 2026-09-13T10:00Z

TLE epoch observation values (Epoch: 2026-09-13T10:00:50.746Z)

Latitude

0.00011°

Longitude

-168.10668°

Altitude

1,415.727 km

Speed

9.342 km/s

True Right ascension

22h 18m 04s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

04:16:13

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

39,137.693 km

Perigee altitude

1,131.095 km

Semi-major axis

26,512.531 km

Eccentricity

0.71677

Inclination

63.9435°

RAAN

334.478°

Arg. of periapsis

25.388°

True anomaly

334.6331°

Mean anomaly

356.9999°

Eccentric anomaly

349.55388°

Mean motion

0.50277 °/min

Orbital period

716.04 mins

BSTAR

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Other satellites on launch #31 in the year 1981 (1981-03-31 UTC)

SL-6 R/B(1), 12377 (Decayed)

COSMOS 1261, 12376

COSMOS 1261 DEB, 27901 (Decayed)

COSMOS 1261 DEB, 33520

COSMOS 1261 DEB, 48264 (Decayed)

COSMOS 1261 DEB, 27796

COSMOS 1261 DEB, 35507

COSMOS 1261 DEB, 12892

COSMOS 1261 DEB, 12894

SL-6 R/B(2), 12384

COSMOS 1261 DEB, 27902 (Decayed)

COSMOS 1261 DEB, 29202 (Decayed)

SL-6 PLAT, 12378 (Decayed)

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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.
31 mins	2026-09-18 09:34:02.244Z	295.454° NW	2026-09-18 09:40:02.244Z	352.541° N	30.772°	2026-09-18 10:05:02.244Z	53.799° ENE

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Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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Check out COSMOS 1261 DEB, 12893 on other resources

View COSMOS 1261 DEB, 12893 on Heavens-Above

View COSMOS 1261 DEB, 12893 on Keep Track

View COSMOS 1261 DEB, 12893 on Celestrak

View COSMOS 1261 DEB, 12893 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

COSMOS 1261 DEB, 12893

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 4 days ago

TLE from 4 days ago

TLE epoch observation values (Epoch: 2026-09-13T10:00:50.746Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #31 in the year 1981 (1981-03-31 UTC)

COSMOS 1261 DEB Visibility forecast

Co-orbital & Co-planar RSOs

Check out COSMOS 1261 DEB, 12893 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 4 days ago