SL-8 DEB, 39838

Orbit data source: Space-Track

SL-8 DEB, 39838 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/39838?theme=dark&initialShowStats=false

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Identifier

39838, 1991-009DW

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

Small (<0.1 m²)

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Last TLE update: 3 months ago

TLE from 3 months ago

0 SL-8 DEB
1 39838U 91009DW  25342.57738458  .00000270  00000-0  28354-2 0  9996
2 39838  74.1165  80.6532 0227876  79.7489 282.9150 12.10602114265409

Epoch: 2025-12-08T13:51Z

TLE epoch observation values (Epoch: 2025-12-08T13:51:26.027Z)

Latitude

0.00002°

Longitude

155.22034°

Altitude

1,599.245 km

Speed

7.086 km/s

True Right ascension

05h 22m 36s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow 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

10:38:18

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,814.135 km

Perigee altitude

1,449.089 km

Semi-major axis

8,009.749 km

Eccentricity

0.02279

Inclination

74.1165°

RAAN

80.6532°

Arg. of periapsis

79.7489°

True anomaly

280.35434°

Mean anomaly

282.915°

Eccentric anomaly

281.6362°

Mean motion

3.02771 °/min

Orbital period

118.9 mins

BSTAR

0.0028354

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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.
15 mins	2026-03-12 16:39:07.395Z	146.861° SSE	2026-03-12 16:46:07.395Z	94.53° ESE	26.54°	2026-03-12 16:54:07.395Z	37.805° NE
17 mins	2026-03-12 18:39:07.395Z	215.202° SW	2026-03-12 18:47:07.395Z	297.84° NW	41.7°	2026-03-12 18:56:07.395Z	13.224° NNE
9 mins	2026-03-12 20:47:07.395Z	293.468° NW	2026-03-12 20:51:07.395Z	320.428° NNW	15.46°	2026-03-12 20:56:07.395Z	351.976° N
5 mins	2026-03-13 01:06:07.395Z	21.516° NNE	2026-03-13 01:08:07.395Z	33.271° NE	11.624°	2026-03-13 01:11:07.395Z	50.679° ENE
17 mins	2026-03-13 03:05:07.395Z	355.094° N	2026-03-13 03:13:07.395Z	59.32° ENE	35.292°	2026-03-13 03:22:07.395Z	129.089° SE
18 mins	2026-03-13 05:06:07.395Z	329.168° NNW	2026-03-13 05:15:07.395Z	256.444° W	37.214°	2026-03-13 05:24:07.395Z	191.856° 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-8 DEB, 39838 on other resources

View SL-8 DEB, 39838 on Heavens-Above

View SL-8 DEB, 39838 on Keep Track

View SL-8 DEB, 39838 on Celestrak

View SL-8 DEB, 39838 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, 39838

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 3 months ago

TLE from 3 months ago

TLE epoch observation values (Epoch: 2025-12-08T13:51:26.027Z)

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, 39838 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 3 months ago