DECAYED

COSMOS 1275 DEB, 39964 (Decayed)

Orbit data source: Space-Track

COSMOS 1275 DEB, 39964 was space debris in LEO originally from a launch on Thu, 04 Jun 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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Iframe URL

https://www.satcat.com/sats-embedded/39964?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

39964, 1981-053PA

Orbit

Decayed

Country

CIS

Related business

Russian Space Forces (RU)

Manufacturer

Unknown

Mission

Decayed spacecraft

Bus & Motor

Unknown

Mass

Unknown

Launch date (UTC)

1981-06-04 (45 years ago)

Launch vehicle

Unknown

Launch site

Plesetsk Missile And Space Complex (PKMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown shape, 0.1 m

Radar Cross Section

Small (<0.1 m²)

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

TLE from 4 weeks ago

0 COSMOS 1275 DEB
1 39964U 81053PA  26233.73522162  .03878200  28487-1  10123-1 0  9998
2 39964  83.0311 131.7857 0014941 194.4649 165.6205 16.00026573648392

Epoch: 2026-08-21T17:38Z

TLE epoch observation values (Epoch: 2026-08-21T17:38:43.147Z)

Latitude

-0.00007°

Longitude

-102.94981°

Altitude

287.187 km

Speed

7.73 km/s

True Right ascension

08h 47m 08s

True Declination

0° 00' 00"

Sunlit

Object was in daylight 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

07:10:07

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

281.121 km

Perigee altitude

261.252 km

Semi-major axis

6,649.323 km

Eccentricity

0.00149

Inclination

83.0311°

RAAN

131.7857°

Arg. of periapsis

194.4649°

True anomaly

165.66294°

Mean anomaly

165.6205°

Eccentric anomaly

165.64173°

Mean motion

4.00292 °/min

Orbital period

89.93 mins

BSTAR

0.010123

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Other satellites on launch #53 in the year 1981 (1981-06-04 UTC)

COSMOS 1275 DEB, 20100

COSMOS 1275 DEB, 13796

COSMOS 1275 DEB, 19853

COSMOS 1275 DEB, 42097

COSMOS 1275 DEB, 42117

COSMOS 1275 DEB, 42112

COSMOS 1275 DEB, 42118

COSMOS 1275 DEB, 42139

COSMOS 1275 DEB, 42164

COSMOS 1275 DEB, 39942

COSMOS 1275 DEB, 42095

COSMOS 1275 DEB, 17624

COSMOS 1275 DEB, 42103

COSMOS 1275 DEB, 42104

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COSMOS 1275 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.
4 mins	2026-09-17 16:08:27.205Z	8.56° NNE	2026-09-17 16:09:27.205Z	335.002° NNW	64.22°	2026-09-17 16:12:27.205Z	218.107° SW
4 mins	2026-09-17 16:21:27.205Z	6.279° NNE	2026-09-17 16:22:27.205Z	330.011° NNW	63.663°	2026-09-17 16:25:27.205Z	222.084° SW
5 mins	2026-09-17 16:34:27.205Z	17.081° NNE	2026-09-17 16:36:27.205Z	308.024° NW	63.996°	2026-09-17 16:39:27.205Z	222.798° SW
4 mins	2026-09-17 16:49:27.205Z	5.09° NNE	2026-09-17 16:50:27.205Z	331.166° NNW	59.961°	2026-09-17 16:53:27.205Z	234.095° WSW
5 mins	2026-09-17 17:04:27.205Z	12.543° NNE	2026-09-17 17:06:27.205Z	305.018° NW	59.304°	2026-09-17 17:09:27.205Z	233.192° WSW
6 mins	2026-09-17 17:20:27.205Z	22.086° NNE	2026-09-17 17:22:27.205Z	331.764° NNW	56.365°	2026-09-17 17:26:27.205Z	236.151° WSW
6 mins	2026-09-17 17:38:27.205Z	23.184° NE	2026-09-17 17:40:27.205Z	337.307° NNW	53.925°	2026-09-17 17:44:27.205Z	246.811° WSW
7 mins	2026-09-17 17:58:27.205Z	24.799° NE	2026-09-17 18:01:27.205Z	316.925° NNW	52.219°	2026-09-17 18:05:27.205Z	249.035° W
9 mins	2026-09-17 18:20:27.205Z	38.179° NE	2026-09-17 18:24:27.205Z	327.724° NNW	50.285°	2026-09-17 18:29:27.205Z	255.498° W
11 mins	2026-09-17 18:47:27.205Z	45.859° ENE	2026-09-17 18:52:27.205Z	337.258° NNW	48.298°	2026-09-17 18:58:27.205Z	268.268° W
19 mins	2026-09-17 19:22:27.205Z	64.09° ENE	2026-09-17 19:30:27.205Z	358.24° N	46.953°	2026-09-17 19:41:27.205Z	281.633° WNW
20 mins	2026-09-17 21:34:27.205Z	316.781° NNW	2026-09-17 21:45:27.205Z	44.564° NE	54.475°	2026-09-17 21:54:27.205Z	121.625° SE
12 mins	2026-09-17 22:17:27.205Z	330.226° NNW	2026-09-17 22:23:27.205Z	53.697° ENE	59.507°	2026-09-17 22:29:27.205Z	131.208° SE
9 mins	2026-09-17 22:46:27.205Z	336.166° NNW	2026-09-17 22:50:27.205Z	41.9° NE	63.183°	2026-09-17 22:55:27.205Z	135.316° SSE
7 mins	2026-09-17 23:10:27.205Z	344.372° N	2026-09-17 23:13:27.205Z	51.959° ENE	67.236°	2026-09-17 23:17:27.205Z	140.223° SSE
7 mins	2026-09-17 23:30:27.205Z	344.379° N	2026-09-17 23:33:27.205Z	63.226° ENE	70.74°	2026-09-17 23:37:27.205Z	149.531° SSE
5 mins	2026-09-17 23:49:27.205Z	355.668° N	2026-09-17 23:51:27.205Z	81.497° E	73.299°	2026-09-17 23:54:27.205Z	150.54° SSE
5 mins	2026-09-18 00:05:27.205Z	350.65° N	2026-09-18 00:07:27.205Z	60.777° ENE	76.597°	2026-09-18 00:10:27.205Z	154.25° SSE
5 mins	2026-09-18 00:20:27.205Z	349.094° N	2026-09-18 00:22:27.205Z	47.821° ENE	78.504°	2026-09-18 00:25:27.205Z	158.411° S
4 mins	2026-09-18 00:35:27.205Z	355.257° N	2026-09-18 00:36:27.205Z	26.078° NE	78.219°	2026-09-18 00:39:27.205Z	161.805° S
4 mins	2026-09-18 00:48:27.205Z	351.362° N	2026-09-18 00:50:27.205Z	135.448° SSE	79.634°	2026-09-18 00:52:27.205Z	164.244° S
4 mins	2026-09-18 01:01:27.205Z	352.091° N	2026-09-18 01:02:27.205Z	4.914° NNE	79.322°	2026-09-18 01:05:27.205Z	168.179° S
4 mins	2026-09-18 01:13:27.205Z	351.094° N	2026-09-18 01:14:27.205Z	353.644° N	76.606°	2026-09-18 01:17:27.205Z	170.637° S

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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 1275 DEB, 39964 (Decayed) on other resources

View COSMOS 1275 DEB, 39964 (Decayed) on Celestrak

View COSMOS 1275 DEB, 39964 (Decayed) 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 1275 DEB, 39964 (Decayed)

Orbit data source: Space-Track

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

TLE from 4 weeks ago

TLE epoch observation values (Epoch: 2026-08-21T17:38:43.147Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #53 in the year 1981 (1981-06-04 UTC)

COSMOS 1275 DEB Visibility forecast

Co-orbital & Co-planar RSOs

Check out COSMOS 1275 DEB, 39964 (Decayed) on other resources

Documentation

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