COSMOS 2251 DEB, 37975

Orbit data source: Space-Track

COSMOS 2251 DEB, 37975 is space debris in LEO originally from a launch on Wed, 16 Jun 1993 UTC launched from the Plesetsk Missile And Space Complex (PKMTR). The debris from Iridium 33, an American commercial communications satellite, has been tracked extensively since its accidental collision with the defunct Russian satellite Cosmos 2251 in 2009. This event, occurring at high speed in low Earth orbit (LEO), generated thousands of pieces of space debris, significantly increasing the risk of further collisions. The Iridium 33 debris cloud has impacted space traffic management and orbital debris mitigation strategies, making it a subject of ongoing study in space situational awareness.

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Identifier

37975, 1993-036BQA

Orbit

LEO

Country

CIS

Related business

Russian Space Forces (RU)

Manufacturer

Unknown

Mission

Spacecraft

Bus & Motor

Unknown

Mass

Unknown

Launch date (UTC)

1993-06-16 (33 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)

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Last TLE update: 1 month ago

TLE from 1 month ago

0 COSMOS 2251 DEB
1 37975U 93036BQA 26039.19051063  .00034176  00000-0  42950-2 0  9990
2 37975  73.9998 211.0646 0085951 187.2600 172.7340 14.79329439705940

Epoch: 2026-02-08T04:34Z

TLE epoch observation values (Epoch: 2026-02-08T04:34:20.118Z)

Latitude

0.00005°

Longitude

4.17755°

Altitude

693.886 km

Speed

7.477 km/s

True Right ascension

14h 04m 15s

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

04:03:29

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

689.248 km

Perigee altitude

568.794 km

Semi-major axis

7,007.158 km

Eccentricity

0.0086

Inclination

73.9998°

RAAN

211.0646°

Arg. of periapsis

187.26°

True anomaly

172.85726°

Mean anomaly

172.734°

Eccentric anomaly

172.79576°

Mean motion

3.70024 °/min

Orbital period

97.29 mins

BSTAR

0.004295

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Other satellites on launch #36 in the year 1993 (1993-06-16 UTC)

COSMOS 2251 DEB, 37958 (Decayed)

COSMOS 2251 DEB, 38202 (Decayed)

COSMOS 2251 DEB, 38191 (Decayed)

COSMOS 2251 DEB, 37980 (Decayed)

COSMOS 2251 DEB, 37997 (Decayed)

COSMOS 2251 DEB, 37972 (Decayed)

COSMOS 2251 DEB, 37970 (Decayed)

COSMOS 2251 DEB, 38194 (Decayed)

COSMOS 2251 DEB, 38190 (Decayed)

COSMOS 2251 DEB, 37992 (Decayed)

COSMOS 2251 DEB, 35975

COSMOS 2251 DEB, 37515 (Decayed)

COSMOS 2251 DEB, 37512 (Decayed)

COSMOS 2251 DEB, 39110

COSMOS 2251 DEB, 37536 (Decayed)

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COSMOS 2251 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.
8 mins	2026-03-11 06:45:19.128Z	206.752° SW	2026-03-11 06:49:19.128Z	305.045° NW	42.987°	2026-03-11 06:53:19.128Z	13.823° NNE
7 mins	2026-03-11 16:55:19.128Z	329.858° NNW	2026-03-11 16:58:19.128Z	254.249° W	40.62°	2026-03-11 17:02:19.128Z	175.209° 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 2251 DEB, 37975 on other resources

View COSMOS 2251 DEB, 37975 on Heavens-Above

View COSMOS 2251 DEB, 37975 on Keep Track

View COSMOS 2251 DEB, 37975 on Celestrak

View COSMOS 2251 DEB, 37975 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 2251 DEB, 37975

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 1 month ago

TLE from 1 month ago

TLE epoch observation values (Epoch: 2026-02-08T04:34:20.118Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #36 in the year 1993 (1993-06-16 UTC)

COSMOS 2251 DEB Visibility forecast

Co-orbital & Co-planar RSOs

Check out COSMOS 2251 DEB, 37975 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 1 month ago