SL-8 DEB, 39698

Orbit data source: Space-Track

SL-8 DEB, 39698 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/39698?theme=dark&initialShowStats=false

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Identifier

39698, 1991-009DM

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)

Expand to show TLE details & history
Last TLE update: 4 days ago

TLE from 4 days ago

0 SL-8 DEB
1 39698U 91009DM  26169.81487703  .00000196  00000-0  18936-2 0  9991
2 39698  74.0438 191.4795 0181771 262.6730 273.4451 12.21959841542571

Epoch: 2026-06-18T19:33Z

TLE epoch observation values (Epoch: 2026-06-18T19:33:25.375Z)

Latitude

5.66479°

Longitude

169.45367°

Altitude

1,579.736 km

Speed

7.082 km/s

True Right ascension

00h 39m 26s

True Declination

5° 38' 05"

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

02:00:10

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,726.572 km

Perigee altitude

1,437.192 km

Semi-major axis

7,960.019 km

Eccentricity

0.01818

Inclination

74.0438°

RAAN

191.4795°

Arg. of periapsis

262.673°

True anomaly

271.36354°

Mean anomaly

273.4451°

Eccentric anomaly

272.40455°

Mean motion

3.05613 °/min

Orbital period

117.8 mins

BSTAR

0.0018936

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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.
16 mins	2026-06-23 00:50:25.217Z	152.861° SSE	2026-06-23 00:58:25.217Z	89.46° E	30.231°	2026-06-23 01:06:25.217Z	34.801° NE
18 mins	2026-06-23 02:49:25.217Z	219.684° SW	2026-06-23 02:57:25.217Z	286.276° WNW	39.916°	2026-06-23 03:07:25.217Z	12.529° NNE
8 mins	2026-06-23 04:57:25.217Z	298.195° NW	2026-06-23 05:00:25.217Z	317.412° NNW	14.307°	2026-06-23 05:05:25.217Z	348.885° N
16 mins	2026-06-23 11:11:25.217Z	354.153° N	2026-06-23 11:19:25.217Z	63.72° ENE	35.577°	2026-06-23 11:27:25.217Z	130.353° SE
15 mins	2026-06-23 13:12:25.217Z	324.61° NNW	2026-06-23 13:19:25.217Z	264.177° W	35.091°	2026-06-23 13:27:25.217Z	196.426° 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, 39698 on other resources

View SL-8 DEB, 39698 on Heavens-Above

View SL-8 DEB, 39698 on Keep Track

View SL-8 DEB, 39698 on Celestrak

View SL-8 DEB, 39698 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, 39698

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 4 days ago

TLE from 4 days ago

TLE epoch observation values (Epoch: 2026-06-18T19:33:25.375Z)

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, 39698 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 4 days ago