SL-8 R/B, 11736

Orbit data source: Space-Track

SL-8 R/B, 11736 is space debris in LEO originally from a launch on Mon, 17 Mar 1980 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/11736?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

11736, 1980-022B

Orbit

LEO

Country

CIS

Related business

Russian Strategic Rocket Forces (RU)

Manufacturer

Omsk Av. Zav.

Mission

Spacecraft

Bus & Motor

S3, Unknown motor

Mass

1,434 kg wet, 1,434 kg dry

Launch date (UTC)

1980-03-17 (47 years ago)

Launch vehicle

Unknown

Launch site

Plesetsk Missile And Space Complex (PKMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

CYL, 1.1 m

Radar Cross Section

Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 16 hours ago

TLE from 16 hours ago

0 SL-8 R/B
1 11736U 80022B   26272.07534723  .00000050  00000-0  35778-4 0  9999
2 11736  82.9452 159.7986 0032829 332.4822  27.4596 13.76829961337045

Epoch: 2026-09-29T01:48Z

TLE epoch observation values (Epoch: 2026-09-29T01:48:30.000Z)

Latitude

0.00001°

Longitude

124.82804°

Altitude

956.647 km

Speed

7.384 km/s

True Right ascension

10h 39m 11s

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

11:03:52

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

996.429 km

Perigee altitude

948.167 km

Semi-major axis

7,350.435 km

Eccentricity

0.00328

Inclination

82.9452°

RAAN

159.7986°

Arg. of periapsis

332.4822°

True anomaly

27.6337°

Mean anomaly

27.4596°

Eccentric anomaly

27.54659°

Mean motion

3.44408 °/min

Orbital period

104.53 mins

BSTAR

0.000035778

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Other satellites on launch #22 in the year 1980 (1980-03-17 UTC)

SL-8 DEB, 45514

COSMOS 1168, 11735

SL-8 DEB, 12404

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SL-8 R/B 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	2026-09-29 17:36:22.850Z	195.461° SSW	2026-09-29 17:42:22.850Z	301.975° NW	68.051°	2026-09-29 17:47:22.850Z	1.009° NNE
4 mins	2026-09-30 02:51:22.850Z	52.956° ENE	2026-09-30 02:52:22.850Z	63.143° ENE	13.928°	2026-09-30 02:55:22.850Z	92.53° ESE
10 mins	2026-09-30 04:34:22.850Z	352.174° N	2026-09-30 04:38:22.850Z	341.313° N	78.005°	2026-09-30 04:44:22.850Z	176.194° S
9 mins	2026-09-30 16:18:22.850Z	136.823° SSE	2026-09-30 16:22:22.850Z	84.505° E	30.217°	2026-09-30 16:27:22.850Z	28.93° NE

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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 R/B, 11736 on other resources

View SL-8 R/B, 11736 on Heavens-Above

View SL-8 R/B, 11736 on Keep Track

View SL-8 R/B, 11736 on Celestrak

View SL-8 R/B, 11736 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 R/B, 11736

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 16 hours ago

TLE from 16 hours ago

TLE epoch observation values (Epoch: 2026-09-29T01:48:30.000Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #22 in the year 1980 (1980-03-17 UTC)

SL-8 R/B Visibility forecast

Co-orbital & Co-planar RSOs

Check out SL-8 R/B, 11736 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 16 hours ago