COSMOS 2251 DEB, 33793

Orbit data source: Space-Track

COSMOS 2251 DEB, 33793 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

33793, 1993-036AJ

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)

Expand to show TLE details & history
Last TLE update: 13 hours ago

TLE from 13 hours ago

0 COSMOS 2251 DEB
1 33793U 93036AJ  26110.89531810  .00000905  00000-0  36209-3 0  9998
2 33793  73.9793 275.0797 0077657  36.2602  82.0938 14.28187274890509

Epoch: 2026-04-20T21:29Z

TLE epoch observation values (Epoch: 2026-04-20T21:29:15.483Z)

Latitude

57.11271°

Longitude

-102.42626°

Altitude

799.776 km

Speed

7.463 km/s

True Right ascension

04h 35m 28s

True Declination

56° 57' 24"

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

17:17:35

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

851.142 km

Perigee altitude

739.726 km

Semi-major axis

7,173.571 km

Eccentricity

0.00777

Inclination

73.9793°

RAAN

275.0797°

Arg. of periapsis

36.2602°

True anomaly

82.97637°

Mean anomaly

82.0938°

Eccentric anomaly

82.53497°

Mean motion

3.57224 °/min

Orbital period

100.78 mins

BSTAR

0.00036209

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

COSMOS 2251 DEB, 36373 (Decayed)

COSMOS 2251 DEB, 37304 (Decayed)

COSMOS 2251 DEB, 35673 (Decayed)

COSMOS 2251 DEB, 33810 (Decayed)

COSMOS 2251 DEB, 35672 (Decayed)

COSMOS 2251 DEB, 35772 (Decayed)

COSMOS 2251 DEB, 35467 (Decayed)

COSMOS 2251 DEB, 35470 (Decayed)

COSMOS 2251 DEB, 37122 (Decayed)

COSMOS 2251 DEB, 40219 (Decayed)

COSMOS 2251 DEB, 34957 (Decayed)

COSMOS 2251 DEB, 34820 (Decayed)

COSMOS 2251 DEB, 34633 (Decayed)

COSMOS 2251 DEB, 35897 (Decayed)

COSMOS 2251 DEB, 38478 (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.
9 mins	2026-04-21 12:11:02.464Z	199.209° SSW	2026-04-21 12:16:02.464Z	3.115° NNE	44.146°	2026-04-21 12:20:02.464Z	17.912° NNE
7 mins	2026-04-21 21:02:02.464Z	18.283° NNE	2026-04-21 21:05:02.464Z	59.092° ENE	20.726°	2026-04-21 21:09:02.464Z	108.452° ESE
9 mins	2026-04-21 22:44:02.464Z	324.827° NNW	2026-04-21 22:48:02.464Z	255.497° W	36.76°	2026-04-21 22:53:02.464Z	184.366° SSW

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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, 33793 on other resources

View COSMOS 2251 DEB, 33793 on Heavens-Above

View COSMOS 2251 DEB, 33793 on Keep Track

View COSMOS 2251 DEB, 33793 on Celestrak

View COSMOS 2251 DEB, 33793 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, 33793

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 13 hours ago

TLE from 13 hours ago

TLE epoch observation values (Epoch: 2026-04-20T21:29:15.483Z)

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, 33793 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 13 hours ago