SL-8 DEB, 21234

Orbit data source: Space-Track

SL-8 DEB, 21234 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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https://www.satcat.com/sats-embedded/21234?theme=dark&initialShowStats=false

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Identifier

21234, 1991-009CT

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, 0.1 m

Radar Cross Section

Medium (>0.1 m² and <1 m²)

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Last TLE update: 2 days ago

TLE from 2 days ago

0 SL-8 DEB
1 21234U 91009CT  26171.36923441  .00000073  00000-0  70799-3 0  9995
2 21234  74.0070 137.0064 0128219 236.4660 279.3271 12.32918847587032

Epoch: 2026-06-20T08:51Z

TLE epoch observation values (Epoch: 2026-06-20T08:51:41.853Z)

Latitude

24.62996°

Longitude

-92.01646°

Altitude

1,524.054 km

Speed

7.112 km/s

True Right ascension

20h 37m 58s

True Declination

24° 30' 45"

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

23:21:47

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,636.077 km

Perigee altitude

1,433.164 km

Semi-major axis

7,912.758 km

Eccentricity

0.01282

Inclination

74.007°

RAAN

137.0064°

Arg. of periapsis

236.466°

True anomaly

277.87362°

Mean anomaly

279.3271°

Eccentric anomaly

278.60072°

Mean motion

3.08355 °/min

Orbital period

116.75 mins

BSTAR

0.00070799

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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.
8 mins	2026-06-22 20:31:28.245Z	113.019° SE	2026-06-22 20:35:28.245Z	86.554° E	14.605°	2026-06-22 20:39:28.245Z	60.18° ENE
17 mins	2026-06-22 22:25:28.245Z	188.723° SSW	2026-06-22 22:33:28.245Z	80.195° E	44.3°	2026-06-22 22:42:28.245Z	21.689° NNE
13 mins	2026-06-23 00:27:28.245Z	261.005° W	2026-06-23 00:33:28.245Z	308.03° NW	24.456°	2026-06-23 00:40:28.245Z	359.185° N
11 mins	2026-06-23 06:43:28.245Z	10.19° NNE	2026-06-23 06:48:28.245Z	47.853° ENE	20.258°	2026-06-23 06:54:28.245Z	92.518° ESE
16 mins	2026-06-23 08:41:28.245Z	341.504° N	2026-06-23 08:49:28.245Z	128.934° SE	44.938°	2026-06-23 08:57:28.245Z	162.245° S
9 mins	2026-06-23 10:43:28.245Z	298.839° NW	2026-06-23 10:47:28.245Z	268.645° W	17.371°	2026-06-23 10:52:28.245Z	233.452° WSW

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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, 21234 on other resources

View SL-8 DEB, 21234 on Heavens-Above

View SL-8 DEB, 21234 on Keep Track

View SL-8 DEB, 21234 on Celestrak

View SL-8 DEB, 21234 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, 21234

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 2 days ago

TLE from 2 days ago

TLE epoch observation values (Epoch: 2026-06-20T08:51:41.853Z)

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, 21234 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 2 days ago