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.

Loading next visibility...

Iframe embed code

<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

Optional Secondary NORAD IDs

Max 10 NORAD IDs; Separated by commas

Initial load time (optional)

ISO8601 Format

TLE date request (optional)

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: 1 day ago

TLE from 1 day ago

0 SL-8 R/B
1 11736U 80022B   26006.31177840  .00000148  00000-0  13489-3 0  9996
2 11736  82.9429 357.2690 0033235 356.3602   3.7308 13.76796259300477

Epoch: 2026-01-06T07:28Z

TLE epoch observation values (Epoch: 2026-01-06T07:28:57.653Z)

Latitude

-0.00004°

Longitude

139.13238°

Altitude

953.782 km

Speed

7.387 km/s

True Right ascension

23h 49m 04s

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

08:56:48

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

996.848 km

Perigee altitude

947.989 km

Semi-major axis

7,350.555 km

Eccentricity

0.00332

Inclination

82.9429°

RAAN

357.269°

Arg. of periapsis

356.3602°

True anomaly

3.75568°

Mean anomaly

3.7308°

Eccentric anomaly

3.74323°

Mean motion

3.444 °/min

Orbital period

104.53 mins

BSTAR

0.00013489

Loading maneuver chart data...

Computing Atmospheric mass density...

Loading historical data...

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

COSMOS 1168, 11735

SL-8 DEB, 12404

SL-8 DEB, 45514

Did you know?

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

Click here to try in Sandbox

SL-8 R/B Visibility forecast

Loading observer location...
Set Observer location

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	2026-01-07 10:13:31.667Z	13.978° NNE	2026-01-07 10:18:31.667Z	72.406° E	28.74°	2026-01-07 10:23:31.667Z	133.979° SE
10 mins	2026-01-07 11:59:31.667Z	329.912° NNW	2026-01-07 12:03:31.667Z	281.217° WNW	30.277°	2026-01-07 12:09:31.667Z	208.574° SW
11 mins	2026-01-07 23:42:31.667Z	177.03° S	2026-01-07 23:47:31.667Z	86.935° E	43.972°	2026-01-07 23:53:31.667Z	10.723° NNE
5 mins	2026-01-08 01:31:31.667Z	271.123° WNW	2026-01-08 01:33:31.667Z	292.989° NW	15.115°	2026-01-08 01:36:31.667Z	324.048° NNW

Items per page:

1–4 of 4 items

of 1 page

Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

Please sign-in to view Co-orbital & Co-planar RSOs.

Click to sort rows by RSO header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Type header in ascending order	Click to sort rows by Inclination Δ header in ascending order	Click to sort rows by RAAN Δ header in ascending order	Click to sort rows by Coplanar Angle header in ascending order	Click to sort rows by SMA Δ header in ascending order	Click to sort rows by Orbital period header in ascending order	Click to sort rows by <5km Md TCA header in descending order

CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

Authenticating...

Click to sort rows by Secondary header in ascending order	Click to sort rows by Secondary name header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Owner header in ascending order	Click to sort rows by Obj. Type header in ascending order	Click to sort rows by Miss dist. header in ascending order	Click to sort rows by Rel. speed header in ascending order	Click to sort rows by Apr. angle header in ascending order	Click to sort rows by TCA header in descending order

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: 1 day ago

TLE from 1 day ago

TLE epoch observation values (Epoch: 2026-01-06T07:28:57.653Z)

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: 1 day ago