**SL-8 DEB *, 13499**

Orbit data source: Space-Track

SL-8 DEB *, 13499 is space debris in LEO originally from a launch on Thu, 15 Jul 1976 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/13499?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

13499, 1976-069D

Orbit

LEO

Country

CIS

Related business

Russian Space Forces (RU)

Manufacturer

Unknown

Mission

Spacecraft

Bus & Motor

Unknown

Mass

Unknown

Launch date (UTC)

1976-07-15 (50 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-8 DEB *
1 13499U 76069D   26093.18440389  .00003636  00000-0  71383-3 0  9994
2 13499  74.0505 110.7451 0013022 353.1040 124.9089 14.63007676384932

Epoch: 2026-04-03T04:25Z

TLE epoch observation values (Epoch: 2026-04-03T04:25:32.496Z)

Latitude

58.09128°

Longitude

5.67473°

Altitude

698.196 km

Speed

7.51 km/s

True Right ascension

17h 34m 19s

True Declination

57° 56' 08"

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

20:32:28

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

690.265 km

Perigee altitude

671.88 km

Semi-major axis

7,059.209 km

Eccentricity

0.0013

Inclination

74.0505°

RAAN

110.7451°

Arg. of periapsis

353.104°

True anomaly

125.03116°

Mean anomaly

124.9089°

Eccentric anomaly

124.97004°

Mean motion

3.65939 °/min

Orbital period

98.38 mins

BSTAR

0.00071383

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Other satellites on launch #69 in the year 1976 (1976-07-15 UTC)

SL-8 DEB, 9704 (Decayed)

SL-8 R/B, 9023

COSMOS 841, 9022

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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.
6 mins	2026-04-04 01:21:09.374Z	143.247° SSE	2026-04-04 01:24:09.374Z	96.78° ESE	21.207°	2026-04-04 01:27:09.374Z	52.443° ENE
7 mins	2026-04-04 03:01:09.374Z	239.981° WSW	2026-04-04 03:04:09.374Z	298.132° NW	29.347°	2026-04-04 03:08:09.374Z	359.769° N
7 mins	2026-04-04 11:38:09.374Z	11.608° NNE	2026-04-04 11:41:09.374Z	68.089° E	28.033°	2026-04-04 11:45:09.374Z	126.936° SE
5 mins	2026-04-04 13:19:09.374Z	294.938° NW	2026-04-04 13:21:09.374Z	258.713° W	23.08°	2026-04-04 13:24:09.374Z	212.608° SW

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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 *, 13499 on other resources

View SL-8 DEB *, 13499 on Heavens-Above

View SL-8 DEB *, 13499 on Keep Track

View SL-8 DEB *, 13499 on Celestrak

View SL-8 DEB *, 13499 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 *, 13499

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: 2026-04-03T04:25:32.496Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #69 in the year 1976 (1976-07-15 UTC)

SL-8 DEB * Visibility forecast

Co-orbital & Co-planar RSOs

Check out SL-8 DEB *, 13499 on other resources

Documentation

**SL-8 DEB *, 13499**

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