COSMOS 2251 DEB, 40796

Orbit data source: Space-Track

COSMOS 2251 DEB, 40796 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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ISO8601 Format

Identifier

40796, 1993-036BVZ

Orbit

LEO

Last TLE update

14 hours ago

Origin

Russian Space Forces (CIS)

Manufacturer

Unknown

Mission

Spacecraft

Bus & Motor

Unknown

Mass

Unknown

Launch date (UTC)

1993-06-16 (32 years ago)

Launch vehicle

Unknown

Launch site

Plesetsk Missile And Space Complex (PKMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown

Radar Cross Section

Small (<0.1 m²)

Expand to show TLE details & history

TLE from 14 hours ago

0 COSMOS 2251 DEB
1 40796U 93036BVZ 25199.40449362  .00002827  00000-0  37463-3 0  9990
2 40796  74.0144  72.9426 0059819 245.6087 293.0125 14.79151018739785

Epoch: 2025-07-18T09:42Z

TLE epoch observation values (Epoch: 2025-07-18T09:42:28.248Z)

Latitude

1.8322°

Longitude

170.34626°

Altitude

618.265 km

Speed

7.559 km/s

True Right ascension

16h 49m 40s

True Declination

1° 49' 16"

Sunlit

Object was in full shadow at epoch

Visualization orbit readout

Latitude

-32.84291°

Longitude

-20.84937°

Altitude

637.653 km

Speed

7.542 km/s

Apparent Right ascension

02h 18m 54s

Apparent Declination

-39° 51' 13"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

12:08:53

Azimuth

259.552° W

Elevation

-65.198°

Doppler factor

Orbital elements

Apogee altitude

671.503 km

Perigee altitude

587.664 km

Semi-major axis

7,007.72 km

Eccentricity

0.00598

Inclination

74.0144°

RAAN

72.9426°

Arg. of periapsis

245.6087°

True anomaly

292.37974°

Mean anomaly

293.0125°

Eccentric anomaly

292.6963°

Mean motion

3.6998 °/min

Orbital period

97.3 mins

BSTAR

0.00037463

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

COSMOS 2251, 22675

COSMOS 2251 DEB, 33785

COSMOS 2251 DEB, 34756

COSMOS 2251 DEB, 34757 (Decayed)

COSMOS 2251 DEB, 34758

COSMOS 2251 DEB, 34759 (Decayed)

COSMOS 2251 DEB, 34760

COSMOS 2251 DEB, 34761

COSMOS 2251 DEB, 34762 (Decayed)

COSMOS 2251 DEB, 34763 (Decayed)

COSMOS 2251 DEB, 34781 (Decayed)

COSMOS 2251 DEB, 34782 (Decayed)

COSMOS 2251 DEB, 34783 (Decayed)

COSMOS 2251 DEB, 34784

COSMOS 2251 DEB, 34785 (Decayed)

COSMOS 2251 DEB Visibility forecast

Observer location: undefined°, undefined°

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.
5 mins	2025-07-19 01:41:17.327Z	22.661° NE	2025-07-19 01:44:17.327Z	64.521° ENE	14.852°	2025-07-19 01:46:17.327Z	91.633° ESE
7 mins	2025-07-19 03:20:17.327Z	325.968° NNW	2025-07-19 03:23:17.327Z	257.809° W	38.775°	2025-07-19 03:27:17.327Z	180.246° SSW
5 mins	2025-07-19 15:53:17.327Z	136.43° SSE	2025-07-19 15:55:17.327Z	98.614° ESE	23.924°	2025-07-19 15:58:17.327Z	50.53° ENE
7 mins	2025-07-19 17:31:17.327Z	243.914° WSW	2025-07-19 17:34:17.327Z	297.515° NW	26.689°	2025-07-19 17:38:17.327Z	357.534° N

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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Check out COSMOS 2251 DEB, 40796 on other resources

View COSMOS 2251 DEB, 40796 on Heavens-Above

View COSMOS 2251 DEB, 40796 on Keep Track

View COSMOS 2251 DEB, 40796 on Celestrak

View COSMOS 2251 DEB, 40796 on Gunter's Space Page

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