SL-8 DEB, 39693

Orbit data source: Space-Track

SL-8 DEB, 39693 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/39693?theme=dark&initialShowStats=false

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Identifier

39693, 1991-009DG

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)

Expand to show TLE details & history
Last TLE update: 6 months ago

TLE from 6 months ago

0 SL-8 DEB
1 39693U 91009DG  25246.00469868 -.00000011  00000-0  41412-4 0  9998
2 39693  74.0364 159.8593 0129811 316.4018  42.6815 12.20925747507581

Epoch: 2025-09-03T00:06Z

TLE epoch observation values (Epoch: 2025-09-03T00:06:45.965Z)

Latitude

-0.00006°

Longitude

175.77996°

Altitude

1,515.448 km

Speed

7.141 km/s

True Right ascension

10h 39m 26s

True Declination

0° 00' 00"

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

10:37:12

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,689.768 km

Perigee altitude

1,482.992 km

Semi-major axis

7,964.517 km

Eccentricity

0.01298

Inclination

74.0364°

RAAN

159.8593°

Arg. of periapsis

316.4018°

True anomaly

43.70204°

Mean anomaly

42.6815°

Eccentric anomaly

43.19055°

Mean motion

3.05354 °/min

Orbital period

117.9 mins

BSTAR

0.000041412

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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.
14 mins	2026-03-12 13:58:01.521Z	154.535° SSE	2026-03-12 14:05:01.521Z	92.263° ESE	30.174°	2026-03-12 14:12:01.521Z	36.199° NE
15 mins	2026-03-12 15:58:01.521Z	227.028° WSW	2026-03-12 16:05:01.521Z	301.767° NW	37.273°	2026-03-12 16:13:01.521Z	9.971° NNE
16 mins	2026-03-13 00:18:01.521Z	354.719° N	2026-03-13 00:25:01.521Z	59.439° ENE	36.436°	2026-03-13 00:34:01.521Z	135.109° SSE
15 mins	2026-03-13 02:19:01.521Z	321.1° NNW	2026-03-13 02:25:01.521Z	268.494° W	33.016°	2026-03-13 02:34:01.521Z	197.171° 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, 39693 on other resources

View SL-8 DEB, 39693 on Heavens-Above

View SL-8 DEB, 39693 on Keep Track

View SL-8 DEB, 39693 on Celestrak

View SL-8 DEB, 39693 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, 39693

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 6 months ago

TLE from 6 months ago

TLE epoch observation values (Epoch: 2025-09-03T00:06:45.965Z)

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, 39693 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 6 months ago