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 src="https://www.satcat.com/sats-embedded/11736?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

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 (46 years ago)

Launch vehicle

Unknown

Launch site

Plesetsk Missile And Space Complex (PKMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown

Radar Cross Section

Large (>1 m²)

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

TLE from 10 hours ago

0 SL-8 R/B
1 11736U 80022B   26098.96993604 -.00000004  00000-0 -19589-4 0  9993
2 11736  82.9384 288.4181 0034573  94.4935 266.0173 13.76806458313226

Epoch: 2026-04-08T23:16Z

TLE epoch observation values (Epoch: 2026-04-08T23:16:42.473Z)

Latitude

-0.00004°

Longitude

102.01646°

Altitude

979.991 km

Speed

7.361 km/s

True Right ascension

19h 13m 40s

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

14:57:59

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

997.795 km

Perigee altitude

946.969 km

Semi-major axis

7,350.519 km

Eccentricity

0.00346

Inclination

82.9384°

RAAN

288.4181°

Arg. of periapsis

94.4935°

True anomaly

265.6222°

Mean anomaly

266.0173°

Eccentric anomaly

265.81974°

Mean motion

3.44402 °/min

Orbital period

104.53 mins

BSTAR

-0.000019589

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

SL-8 DEB, 12404

COSMOS 1168, 11735

SL-8 DEB, 45514

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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.

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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.
10 mins	2026-04-09 13:20:59.810Z	185.924° SSW	2026-04-09 13:25:59.810Z	1.575° NNE	44.422°	2026-04-09 13:30:59.810Z	6.775° NNE
10 mins	2026-04-10 00:17:59.810Z	0.398° NNE	2026-04-10 00:21:59.810Z	74.036° E	43.666°	2026-04-10 00:27:59.810Z	166.586° S
4 mins	2026-04-10 02:04:59.810Z	297.407° NW	2026-04-10 02:06:59.810Z	275.565° WNW	14.633°	2026-04-10 02:08:59.810Z	254.602° W

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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: 10 hours ago

TLE from 10 hours ago

TLE epoch observation values (Epoch: 2026-04-08T23:16:42.473Z)

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: 10 hours ago