COSMOS 2251 DEB, 33768

Orbit data source: Space-Track

COSMOS 2251 DEB, 33768 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

33768, 1993-036R

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, 0.5 m

Radar Cross Section

Medium (>0.1 m² and <1 m²)

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Last TLE update: 10 hours ago

TLE from 10 hours ago

0 COSMOS 2251 DEB
1 33768U 93036R   26037.74146889  .00000778  00000-0  70644-3 0  9999
2 33768  74.0693 129.4813 0368389 274.9201 206.2301 13.58514625840565

Epoch: 2026-02-06T17:47Z

TLE epoch observation values (Epoch: 2026-02-06T17:47:42.912Z)

Latitude

57.0389°

Longitude

-120.29897°

Altitude

1,297.366 km

Speed

7.092 km/s

True Right ascension

18h 54m 01s

True Declination

56° 53' 34"

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

05:57:24

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,312.03 km

Perigee altitude

765.567 km

Semi-major axis

7,416.935 km

Eccentricity

0.03684

Inclination

74.0693°

RAAN

129.4813°

Arg. of periapsis

274.9201°

True anomaly

204.43874°

Mean anomaly

206.2301°

Eccentric anomaly

205.32717°

Mean motion

3.39787 °/min

Orbital period

105.95 mins

BSTAR

0.00070644

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

COSMOS 2251 DEB, 34748 (Decayed)

COSMOS 2251 DEB, 37984 (Decayed)

COSMOS 2251 DEB, 35030 (Decayed)

COSMOS 2251 DEB, 34457 (Decayed)

COSMOS 2251 DEB, 35034 (Decayed)

COSMOS 2251 DEB, 35843 (Decayed)

COSMOS 2251 DEB, 36002 (Decayed)

COSMOS 2251 DEB, 35582

COSMOS 2251 DEB, 35772 (Decayed)

COSMOS 2251 DEB, 34466 (Decayed)

COSMOS 2251 DEB, 37314 (Decayed)

COSMOS 2251 DEB, 35062

COSMOS 2251 DEB, 35032

COSMOS 2251 DEB, 35016

COSMOS 2251 DEB, 34946

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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.
9 mins	2026-02-07 05:40:44.444Z	128.178° SE	2026-02-07 05:44:44.444Z	91.359° ESE	18.423°	2026-02-07 05:49:44.444Z	49.542° ENE
13 mins	2026-02-07 07:26:44.444Z	205.979° SW	2026-02-07 07:31:44.444Z	277.073° WNW	44.212°	2026-02-07 07:39:44.444Z	16.544° NNE
7 mins	2026-02-07 09:18:44.444Z	287.706° WNW	2026-02-07 09:21:44.444Z	314.609° NW	16.319°	2026-02-07 09:25:44.444Z	346.806° N
4 mins	2026-02-07 14:59:44.444Z	31.237° NE	2026-02-07 15:00:44.444Z	39.039° NE	12.288°	2026-02-07 15:03:44.444Z	62.62° ENE
13 mins	2026-02-07 16:44:44.444Z	350.889° N	2026-02-07 16:51:44.444Z	77.003° E	39.532°	2026-02-07 16:57:44.444Z	141.487° SSE
11 mins	2026-02-07 18:33:44.444Z	315.221° NNW	2026-02-07 18:38:44.444Z	268.168° W	25.925°	2026-02-07 18:44:44.444Z	210.199° SW

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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, 33768 on other resources

View COSMOS 2251 DEB, 33768 on Heavens-Above

View COSMOS 2251 DEB, 33768 on Keep Track

View COSMOS 2251 DEB, 33768 on Celestrak

View COSMOS 2251 DEB, 33768 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, 33768

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 10 hours ago

TLE from 10 hours ago

TLE epoch observation values (Epoch: 2026-02-06T17:47:42.912Z)

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, 33768 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 10 hours ago