COSMOS 2251 DEB, 33842

Orbit data source: Space-Track

COSMOS 2251 DEB, 33842 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

33842, 1993-036CK

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, 0.2 m

Radar Cross Section

Small (<0.1 m²)

Expand to show TLE details & history
Last TLE update: 8 hours ago

TLE from 8 hours ago

0 COSMOS 2251 DEB
1 33842U 93036CK  26123.60595974  .00000774  00000-0  23602-3 0  9994
2 33842  74.0327 316.2493 0046387  29.7848 330.5934 14.43021827903831

Epoch: 2026-05-03T14:32Z

TLE epoch observation values (Epoch: 2026-05-03T14:32:34.921Z)

Latitude

0.00001°

Longitude

-123.4033°

Altitude

722.384 km

Speed

7.509 km/s

True Right ascension

21h 04m 59s

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

06:30:31

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

779.196 km

Perigee altitude

713.101 km

Semi-major axis

7,124.285 km

Eccentricity

0.00464

Inclination

74.0327°

RAAN

316.2493°

Arg. of periapsis

29.7848°

True anomaly

330.33108°

Mean anomaly

330.5934°

Eccentric anomaly

330.46237°

Mean motion

3.60937 °/min

Orbital period

99.74 mins

BSTAR

0.00023602

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

COSMOS 2251 DEB, 34017 (Decayed)

COSMOS 2251 DEB, 34912 (Decayed)

COSMOS 2251 DEB, 36463 (Decayed)

COSMOS 2251 DEB, 35821 (Decayed)

COSMOS 2251 DEB, 36627 (Decayed)

COSMOS 2251 DEB, 37970 (Decayed)

COSMOS 2251 DEB, 35036 (Decayed)

COSMOS 2251 DEB, 33895 (Decayed)

COSMOS 2251 DEB, 34332 (Decayed)

COSMOS 2251 DEB, 35994 (Decayed)

COSMOS 2251 DEB, 35591 (Decayed)

COSMOS 2251 DEB, 35075 (Decayed)

COSMOS 2251 DEB, 36625 (Decayed)

COSMOS 2251 DEB, 40806 (Decayed)

COSMOS 2251 DEB, 37958 (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	2026-05-03 23:24:37.722Z	3.345° NNE	2026-05-03 23:28:37.722Z	60.392° ENE	27.479°	2026-05-03 23:32:37.722Z	121.278° SE
7 mins	2026-05-04 01:07:37.722Z	305.276° NW	2026-05-04 01:10:37.722Z	252.784° W	26.226°	2026-05-04 01:14:37.722Z	201.296° SSW
7 mins	2026-05-04 13:58:37.722Z	195.53° SSW	2026-05-04 14:01:37.722Z	120.799° SE	44.946°	2026-05-04 14:05:37.722Z	19.867° NNE

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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, 33842 on other resources

View COSMOS 2251 DEB, 33842 on Heavens-Above

View COSMOS 2251 DEB, 33842 on Keep Track

View COSMOS 2251 DEB, 33842 on Celestrak

View COSMOS 2251 DEB, 33842 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, 33842

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 8 hours ago

TLE from 8 hours ago

TLE epoch observation values (Epoch: 2026-05-03T14:32:34.921Z)

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, 33842 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 8 hours ago