COSMOS 2251 DEB, 34556

Orbit data source: Space-Track

COSMOS 2251 DEB, 34556 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

34556, 1993-036US

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: 14 hours ago

TLE from 14 hours ago

0 COSMOS 2251 DEB
1 34556U 93036US  26041.36003950  .00017079  00000-0  22536-2 0  9997
2 34556  74.0171   7.4825 0005206  31.8553  96.1212 14.80037053892101

Epoch: 2026-02-10T08:38Z

TLE epoch observation values (Epoch: 2026-02-10T08:38:27.412Z)

Latitude

49.32527°

Longitude

-101.93246°

Altitude

637.067 km

Speed

7.544 km/s

True Right ascension

11h 12m 29s

True Declination

49° 09' 08"

Sunlit

Object was in full shadow 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

01:08:16

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

630.431 km

Perigee altitude

623.138 km

Semi-major axis

7,004.921 km

Eccentricity

0.00052

Inclination

74.0171°

RAAN

7.4825°

Arg. of periapsis

31.8553°

True anomaly

96.18051°

Mean anomaly

96.1212°

Eccentric anomaly

96.15086°

Mean motion

3.70202 °/min

Orbital period

97.24 mins

BSTAR

0.0022536

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

COSMOS 2251 DEB, 34426 (Decayed)

COSMOS 2251 DEB, 34794 (Decayed)

COSMOS 2251 DEB, 35843 (Decayed)

COSMOS 2251 DEB, 37973

COSMOS 2251 DEB, 37996

COSMOS 2251 DEB, 34286 (Decayed)

COSMOS 2251 DEB, 35880 (Decayed)

COSMOS 2251 DEB, 34630 (Decayed)

COSMOS 2251 DEB, 38059 (Decayed)

COSMOS 2251 DEB, 35656 (Decayed)

COSMOS 2251 DEB, 36431 (Decayed)

COSMOS 2251 DEB, 36618 (Decayed)

COSMOS 2251 DEB, 33898 (Decayed)

COSMOS 2251 DEB, 34048 (Decayed)

COSMOS 2251 DEB, 37290 (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.
7 mins	2026-02-10 22:47:40.014Z	191.973° SSW	2026-02-10 22:50:40.014Z	162.962° S	43.18°	2026-02-10 22:54:40.014Z	22.406° NNE
7 mins	2026-02-11 08:58:40.014Z	341.476° N	2026-02-11 09:01:40.014Z	161.297° S	43.535°	2026-02-11 09:05:40.014Z	162.392° 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, 34556 on other resources

View COSMOS 2251 DEB, 34556 on Heavens-Above

View COSMOS 2251 DEB, 34556 on Keep Track

View COSMOS 2251 DEB, 34556 on Celestrak

View COSMOS 2251 DEB, 34556 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, 34556

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 14 hours ago

TLE from 14 hours ago

TLE epoch observation values (Epoch: 2026-02-10T08:38:27.412Z)

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, 34556 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 14 hours ago