**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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Iframe URL

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

Medium (>0.1 m² and <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   26164.75376211  .00001897  00000-0  37323-3 0  9991
2 13499  74.0525 333.6301 0012992 207.4995 172.2734 14.63268798395400

Epoch: 2026-06-13T18:05Z

TLE epoch observation values (Epoch: 2026-06-13T18:05:25.046Z)

Latitude

19.00529°

Longitude

165.82928°

Altitude

693.879 km

Speed

7.506 km/s

True Right ascension

22h 36m 59s

True Declination

18° 53' 55"

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

14:30:17

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

689.402 km

Perigee altitude

671.061 km

Semi-major axis

7,058.368 km

Eccentricity

0.0013

Inclination

74.0525°

RAAN

333.6301°

Arg. of periapsis

207.4995°

True anomaly

172.29338°

Mean anomaly

172.2734°

Eccentric anomaly

172.2834°

Mean motion

3.66005 °/min

Orbital period

98.36 mins

BSTAR

0.00037323

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

COSMOS 841, 9022

SL-8 R/B, 9023

SL-8 DEB, 9704 (Decayed)

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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.
8 mins	2026-06-14 12:09:52.763Z	182.037° SSW	2026-06-14 12:13:52.763Z	120.021° SE	40.004°	2026-06-14 12:17:52.763Z	29.769° NE
4 mins	2026-06-14 13:52:52.763Z	276.59° WNW	2026-06-14 13:54:52.763Z	304.595° NW	15.255°	2026-06-14 13:56:52.763Z	331.805° NNW
8 mins	2026-06-14 22:27:52.763Z	345.371° N	2026-06-14 22:30:52.763Z	13.608° NNE	43.014°	2026-06-14 22:35:52.763Z	157.561° S

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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: 2026-06-13T18:05:25.046Z)

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