SL-14 DEB, 20129

Orbit data source: Space-Track

SL-14 DEB, 20129 is space debris in LEO originally from a launch on Thu, 28 Sep 1989 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/20129?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

20129, 1989-080E

Orbit

LEO

Country

CIS

Related business

Russian Strategic Rocket Forces (RU)

Manufacturer

Unknown

Mission

Spacecraft

Bus & Motor

Unknown

Mass

Unknown

Launch date (UTC)

1989-09-28 (37 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: 10 hours ago

TLE from 10 hours ago

0 SL-14 DEB
1 20129U 89080E   26141.27364595  .00001627  00000-0  60362-3 0  9990
2 20129  82.4980  82.3103 0949965  67.8668  51.0014 12.97574299699074

Epoch: 2026-05-21T06:34Z

TLE epoch observation values (Epoch: 2026-05-21T06:34:03.010Z)

Latitude

51.505°

Longitude

-84.60343°

Altitude

868.018 km

Speed

7.621 km/s

True Right ascension

16h 51m 19s

True Declination

51° 20' 24"

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

01:34:01

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,995.282 km

Perigee altitude

542.409 km

Semi-major axis

7,646.983 km

Eccentricity

0.095

Inclination

82.498°

RAAN

82.3103°

Arg. of periapsis

67.8668°

True anomaly

60.10347°

Mean anomaly

51.0014°

Eccentric anomaly

55.4863°

Mean motion

3.2457 °/min

Orbital period

110.92 mins

BSTAR

0.00060362

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Other satellites on launch #80 in the year 1989 (1989-09-28 UTC)

SL-14 DEB, 20359 (Decayed)

SL-14 DEB, 20347 (Decayed)

SL-14 DEB, 20307 (Decayed)

INTERCOSMOS 24, 20261

SL-14 DEB, 20282 (Decayed)

SL-14 R/B, 20262

MAGION 2, 20281

SL-14 DEB, 20834 (Decayed)

SL-14 DEB, 20318 (Decayed)

SL-14 DEB, 20308

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SL-14 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	2026-05-21 20:55:10.155Z	189.744° SSW	2026-05-21 20:59:10.155Z	219.06° SW	43.676°	2026-05-21 21:03:10.155Z	5.107° NNE
8 mins	2026-05-22 06:37:10.155Z	38.614° NE	2026-05-22 06:40:10.155Z	76.025° E	19.493°	2026-05-22 06:45:10.155Z	122.078° SE
11 mins	2026-05-22 08:28:10.155Z	334.127° NNW	2026-05-22 08:32:10.155Z	259.289° W	38.484°	2026-05-22 08:39:10.155Z	192.102° SSW

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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-14 DEB, 20129 on other resources

View SL-14 DEB, 20129 on Heavens-Above

View SL-14 DEB, 20129 on Keep Track

View SL-14 DEB, 20129 on Celestrak

View SL-14 DEB, 20129 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-14 DEB, 20129

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 10 hours ago

TLE from 10 hours ago

TLE epoch observation values (Epoch: 2026-05-21T06:34:03.010Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #80 in the year 1989 (1989-09-28 UTC)

SL-14 DEB Visibility forecast

Co-orbital & Co-planar RSOs

Check out SL-14 DEB, 20129 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 10 hours ago