COSMOS 2143 DEB, 57721

Orbit data source: Space-Track

COSMOS 2143 DEB, 57721 is space debris in LEO originally from a launch on Thu, 16 May 1991 UTC launched from the Plesetsk Missile And Space Complex (PKMTR). Debris objects in space refer to the collection of defunct objects orbiting the Earth. Examples of debris include non-operational satellites, rocket bodies, and fragments generated from explosions, collisions, or faulty payload assembly.

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Iframe URL

https://www.satcat.com/sats-embedded/57721?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

57721, 1991-033J

Orbit

LEO

Last TLE update

1 day ago

Origin

Russian Space Forces (CIS)

Manufacturer

NPO PM

Mission

Spacecraft

Bus & Motor

Unknown

Mass

Unknown

Launch date (UTC)

1991-05-16 (34 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 1 day ago

0 COSMOS 2143 DEB
1 57721U 91033J   25197.77611511  .00002745  00000-0  13032-1 0  9999
2 57721  82.1350 123.5540 0086824  36.1448 324.5474 12.73002523 91001

Epoch: 2025-07-16T18:37Z

TLE epoch observation values (Epoch: 2025-07-16T18:37:36.345Z)

Latitude

-0.00001°

Longitude

-90.69887°

Altitude

1,317.858 km

Speed

7.223 km/s

True Right ascension

08h 14m 12s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

-11.97527°

Longitude

90.29304°

Altitude

1,437.091 km

Speed

7.114 km/s

Apparent Right ascension

19h 47m 09s

Apparent Declination

-24° 41' 13"

Sunlit

Object is in full shadow

Visualization observer readout

Local Sidereal Time

06:58:30

Azimuth

322.518° NNW

Elevation

-71.667°

Doppler factor

Orbital elements

Apogee altitude

1,434.303 km

Perigee altitude

1,299.809 km

Semi-major axis

7,745.193 km

Eccentricity

0.00868

Inclination

82.135°

RAAN

123.554°

Arg. of periapsis

36.1448°

True anomaly

Unknown

Mean anomaly

324.5474°

Eccentric anomaly

Unknown

Mean motion

3.18416 °/min

Orbital period

113.06 mins

BSTAR

0.013032

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Other satellites on launch #33 in the year 1991 (1991-05-16 UTC)

COSMOS 2143 DEB, 57720

COSMOS 2143 DEB, 57722

COSMOS 2143 DEB, 57723

COSMOS 2143 DEB, 57724

COSMOS 2143 DEB, 57725

COSMOS 2143 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.
15 mins	2025-07-17 19:13:41.965Z	166.45° S	2025-07-17 19:20:41.965Z	104.71° ESE	39.273°	2025-07-17 19:28:41.965Z	16.797° NNE
11 mins	2025-07-17 21:10:41.965Z	242.384° WSW	2025-07-17 21:15:41.965Z	291.319° WNW	25.073°	2025-07-17 21:21:41.965Z	345.258° N
10 mins	2025-07-18 05:11:41.965Z	25.301° NE	2025-07-18 05:16:41.965Z	68.19° E	20.16°	2025-07-18 05:21:41.965Z	108.776° ESE
14 mins	2025-07-18 07:04:41.965Z	347.739° N	2025-07-18 07:11:41.965Z	242.569° WSW	44.079°	2025-07-18 07:18:41.965Z	181.952° SSW
4 mins	2025-07-18 09:02:41.965Z	293.848° NW	2025-07-18 09:03:41.965Z	286.237° WNW	12.345°	2025-07-18 09:06:41.965Z	263.927° W
7 mins	2025-07-18 17:56:41.965Z	103.911° ESE	2025-07-18 17:59:41.965Z	78.373° E	15.716°	2025-07-18 18:03:41.965Z	46.16° ENE

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 2143 DEB, 57721 on other resources

View COSMOS 2143 DEB, 57721 on Heavens-Above

View COSMOS 2143 DEB, 57721 on Keep Track

View COSMOS 2143 DEB, 57721 on Celestrak

View COSMOS 2143 DEB, 57721 on Gunter's Space Page

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