SL-8 DEB, 21162

Orbit data source: Space-Track

SL-8 DEB, 21162 is space debris in LEO originally from a launch on Tue, 12 Feb 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 src="https://www.satcat.com/sats-embedded/21162?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/21162?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

21162, 1991-009Z

Orbit

LEO

Country

CIS

Related business

Russian Strategic Rocket Forces (RU)

Manufacturer

Unknown

Mission

Spacecraft

Bus & Motor

Unknown

Mass

Unknown

Launch date (UTC)

1991-02-12 (35 years ago)

Launch vehicle

Unknown

Launch site

Plesetsk Missile And Space Complex (PKMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown shape, 0.5 m

Radar Cross Section

Medium (>0.1 m² and <1 m²)

Expand to show TLE details & history
Last TLE update: 15 hours ago

TLE from 15 hours ago

0 SL-8 DEB
1 21162U 91009Z   26154.71860167  .00000003  00000-0  15007-3 0  9994
2 21162  73.9785 259.4214 0136948  95.3118 336.5671 12.27830280579788

Epoch: 2026-06-03T17:14Z

TLE epoch observation values (Epoch: 2026-06-03T17:14:47.184Z)

Latitude

65.61201°

Longitude

147.62075°

Altitude

1,470.081 km

Speed

7.179 km/s

True Right ascension

19h 53m 57s

True Declination

65° 29' 39"

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

17:45:13

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,665.145 km

Perigee altitude

1,447.819 km

Semi-major axis

7,934.619 km

Eccentricity

0.01369

Inclination

73.9785°

RAAN

259.4214°

Arg. of periapsis

95.3118°

True anomaly

335.93309°

Mean anomaly

336.5671°

Eccentric anomaly

336.2511°

Mean motion

3.07082 °/min

Orbital period

117.23 mins

BSTAR

0.00015007

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Other satellites on launch #9 in the year 1991 (1991-02-12 UTC)

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SL-8 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.
17 mins	2026-06-04 08:35:35.857Z	209.415° SW	2026-06-04 08:44:35.857Z	296.208° NW	42.664°	2026-06-04 08:52:35.857Z	13.905° NNE
8 mins	2026-06-04 10:42:35.857Z	289.896° WNW	2026-06-04 10:45:35.857Z	311.699° NW	14.492°	2026-06-04 10:50:35.857Z	347.855° N
13 mins	2026-06-04 16:55:35.857Z	2.629° NNE	2026-06-04 17:01:35.857Z	56.878° ENE	28.504°	2026-06-04 17:08:35.857Z	116.368° SE
15 mins	2026-06-04 18:54:35.857Z	330.642° NNW	2026-06-04 19:01:35.857Z	261.935° W	39.875°	2026-06-04 19:09:35.857Z	184.24° SSW
8 mins	2026-06-05 06:09:35.857Z	117.623° SE	2026-06-05 06:13:35.857Z	87.43° E	16.558°	2026-06-05 06:17:35.857Z	57.896° ENE

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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 SL-8 DEB, 21162 on other resources

View SL-8 DEB, 21162 on Heavens-Above

View SL-8 DEB, 21162 on Keep Track

View SL-8 DEB, 21162 on Celestrak

View SL-8 DEB, 21162 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

SL-8 DEB, 21162

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 15 hours ago

TLE from 15 hours ago

TLE epoch observation values (Epoch: 2026-06-03T17:14:47.184Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #9 in the year 1991 (1991-02-12 UTC)

SL-8 DEB Visibility forecast

Co-orbital & Co-planar RSOs

Check out SL-8 DEB, 21162 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 15 hours ago