COSMOS 2251 DEB, 35476

Orbit data source: Space-Track

COSMOS 2251 DEB, 35476 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

35476, 1993-036ALW

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: 16 hours ago

TLE from 16 hours ago

0 COSMOS 2251 DEB
1 35476U 93036ALW 26061.65794314  .00012468  00000-0  17198-2 0  9999
2 35476  73.9746 263.6945 0016621 232.3989 195.2774 14.78136648890673

Epoch: 2026-03-02T15:47Z

TLE epoch observation values (Epoch: 2026-03-02T15:47:26.287Z)

Latitude

62.82489°

Longitude

-99.80226°

Altitude

656.894 km

Speed

7.529 km/s

True Right ascension

19h 50m 01s

True Declination

62° 40' 58"

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

11:08:13

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

644.448 km

Perigee altitude

621.142 km

Semi-major axis

7,010.932 km

Eccentricity

0.00166

Inclination

73.9746°

RAAN

263.6945°

Arg. of periapsis

232.3989°

True anomaly

195.22731°

Mean anomaly

195.2774°

Eccentric anomaly

195.25235°

Mean motion

3.69726 °/min

Orbital period

97.37 mins

BSTAR

0.0017198

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

COSMOS 2251 DEB, 38197

COSMOS 2251 DEB, 34012 (Decayed)

COSMOS 2251 DEB, 47064 (Decayed)

COSMOS 2251 DEB, 37114 (Decayed)

COSMOS 2251 DEB, 35713 (Decayed)

COSMOS 2251 DEB, 36623 (Decayed)

COSMOS 2251 DEB, 35278 (Decayed)

COSMOS 2251 DEB, 35467 (Decayed)

COSMOS 2251 DEB, 33783 (Decayed)

COSMOS 2251 DEB, 36463 (Decayed)

COSMOS 2251 DEB, 35787

COSMOS 2251 DEB, 34044 (Decayed)

COSMOS 2251 DEB, 37285 (Decayed)

COSMOS 2251 DEB, 35886 (Decayed)

COSMOS 2251 DEB, 34918

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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	2026-03-03 14:20:19.996Z	187.162° SSW	2026-03-03 14:24:19.996Z	134.046° SE	41.656°	2026-03-03 14:28:19.996Z	26.69° NE
7 mins	2026-03-04 00:32:19.996Z	345.34° N	2026-03-04 00:35:19.996Z	24.857° NE	43.723°	2026-03-04 00:39:19.996Z	156.685° SSE

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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, 35476 on other resources

View COSMOS 2251 DEB, 35476 on Heavens-Above

View COSMOS 2251 DEB, 35476 on Keep Track

View COSMOS 2251 DEB, 35476 on Celestrak

View COSMOS 2251 DEB, 35476 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, 35476

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 16 hours ago

TLE from 16 hours ago

TLE epoch observation values (Epoch: 2026-03-02T15:47:26.287Z)

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, 35476 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 16 hours ago