SL-8 DEB, 10526

Orbit data source: Space-Track

SL-8 DEB, 10526 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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Iframe URL

https://www.satcat.com/sats-embedded/10526?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

10526, 1977-116D

Orbit

LEO

Country

CIS

Related business

Main Directorate of Ministry of Foreign Affairs (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, 0.4 m

Radar Cross Section

Medium (>0.1 m² and <1 m²)

Expand to show TLE details & history
Last TLE update: 7 hours ago

TLE from 7 hours ago

0 SL-8 DEB
1 10526U 77116D   26155.01609800  .00000131  00000-0  20634-3 0  9992
2 10526  65.8330  93.1967 0038453 302.4030 135.7642 13.79014530434890

Epoch: 2026-06-04T00:23Z

TLE epoch observation values (Epoch: 2026-06-04T00:23:10.867Z)

Latitude

63.48821°

Longitude

-101.57202°

Altitude

997.687 km

Speed

7.349 km/s

True Right ascension

10h 26m 45s

True Declination

63° 21' 18"

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

17:41:56

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

994.138 km

Perigee altitude

937.658 km

Semi-major axis

7,344.035 km

Eccentricity

0.00385

Inclination

65.833°

RAAN

93.1967°

Arg. of periapsis

302.403°

True anomaly

136.07054°

Mean anomaly

135.7642°

Eccentric anomaly

135.91747°

Mean motion

3.44859 °/min

Orbital period

104.39 mins

BSTAR

0.00020634

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

COSMOS 967, 10512

SL-8 DEB, 10518

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.
11 mins	2026-06-04 21:00:19.341Z	186.56° SSW	2026-06-04 21:05:19.341Z	126.372° SE	38.126°	2026-06-04 21:11:19.341Z	40.981° NE
9 mins	2026-06-04 22:49:19.341Z	260.828° W	2026-06-04 22:53:19.341Z	310.59° NW	26.712°	2026-06-04 22:58:19.341Z	9.655° NNE
5 mins	2026-06-05 04:23:19.341Z	11.765° NNE	2026-06-05 04:25:19.341Z	31.778° NE	14.527°	2026-06-05 04:28:19.341Z	61.746° ENE
11 mins	2026-06-05 06:09:19.341Z	337.751° N	2026-06-05 06:14:19.341Z	49.782° ENE	41.84°	2026-06-05 06:20:19.341Z	136.958° SSE

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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, 10526 on other resources

View SL-8 DEB, 10526 on Heavens-Above

View SL-8 DEB, 10526 on Keep Track

View SL-8 DEB, 10526 on Celestrak

View SL-8 DEB, 10526 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, 10526

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 7 hours ago

TLE from 7 hours ago

TLE epoch observation values (Epoch: 2026-06-04T00:23:10.867Z)

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, 10526 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 7 hours ago