SL-8 DEB, 10518

Orbit data source: Space-Track

SL-8 DEB, 10518 is space debris in LEO originally from a launch on Tue, 13 Dec 1977 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/10518?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

10518, 1977-116C

Orbit

LEO

Country

CIS

Related business

Russian Space Forces (RU)

Manufacturer

Unknown

Mission

Spacecraft

Bus & Motor

Unknown

Mass

Unknown

Launch date (UTC)

1977-12-13 (48 years ago)

Launch vehicle

Unknown

Launch site

Plesetsk Missile And Space Complex (PKMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown shape, 0.5 m

Radar Cross Section

Medium (>0.1 m² and <1 m²)

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Last TLE update: 1 day ago

TLE from 1 day ago

0 SL-8 DEB
1 10518U 77116C   26153.85791786 -.00000027  00000-0  54414-4 0  9997
2 10518  65.8327  30.7654 0027646 249.6511 196.4737 13.77323542435899

Epoch: 2026-06-02T20:35Z

TLE epoch observation values (Epoch: 2026-06-02T20:35:24.103Z)

Latitude

65.64018°

Longitude

-89.02968°

Altitude

1,003.319 km

Speed

7.347 km/s

True Right ascension

07h 24m 34s

True Declination

65° 30' 54"

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

17:41:57

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

992.231 km

Perigee altitude

951.591 km

Semi-major axis

7,350.048 km

Eccentricity

0.00276

Inclination

65.8327°

RAAN

30.7654°

Arg. of periapsis

249.6511°

True anomaly

196.38416°

Mean anomaly

196.4737°

Eccentric anomaly

196.4289°

Mean motion

3.44436 °/min

Orbital period

104.52 mins

BSTAR

0.000054414

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Other satellites on launch #116 in the year 1977 (1977-12-13 UTC)

COSMOS 967, 10512

SL-8 DEB, 10526

SL-8 R/B, 10513

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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	2026-06-04 15:51:19.868Z	149.904° SSE	2026-06-04 15:55:19.868Z	108.278° ESE	20.2°	2026-06-04 15:59:19.868Z	64.83° ENE
11 mins	2026-06-04 17:37:19.868Z	223.622° SW	2026-06-04 17:42:19.868Z	290.879° WNW	42.04°	2026-06-04 17:48:19.868Z	24.102° NE
5 mins	2026-06-04 19:29:19.868Z	302.603° NW	2026-06-04 19:31:19.868Z	322.941° NNW	14.707°	2026-06-04 19:34:19.868Z	352.834° N
9 mins	2026-06-05 01:00:19.868Z	358.191° N	2026-06-05 01:04:19.868Z	51.137° ENE	26.582°	2026-06-05 01:09:19.868Z	105.696° ESE
10 mins	2026-06-05 02:47:19.868Z	316.127° NNW	2026-06-05 02:52:19.868Z	234.564° WSW	38.461°	2026-06-05 02:57:19.868Z	173.211° 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, 10518 on other resources

View SL-8 DEB, 10518 on Heavens-Above

View SL-8 DEB, 10518 on Keep Track

View SL-8 DEB, 10518 on Celestrak

View SL-8 DEB, 10518 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, 10518

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 1 day ago

TLE from 1 day ago

TLE epoch observation values (Epoch: 2026-06-02T20:35:24.103Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #116 in the year 1977 (1977-12-13 UTC)

SL-8 DEB Visibility forecast

Co-orbital & Co-planar RSOs

Check out SL-8 DEB, 10518 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 1 day ago