SL-6 R/B(2), 18106

Orbit data source: Space-Track

SL-6 R/B(2), 18106 is space debris in HEO originally from a launch on Fri, 12 Jun 1987 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/18106?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/18106?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

18106, 1987-050D

Orbit

HEO

Country

CIS

Related business

Russian Strategic Rocket Forces (RU)

Manufacturer

NPO Energiya

Mission

Spacecraft

Bus & Motor

BLOK-L, Unknown motor

Mass

900 kg wet, 900 kg dry

Launch date (UTC)

1987-06-12 (39 years ago)

Launch vehicle

Unknown

Launch site

Plesetsk Missile And Space Complex (PKMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl, 1.6 m

Radar Cross Section

8.039 m², Large (>1 m²)

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

TLE from 1 day ago

0 SL-6 R/B(2)
1 18106U 87050D   26154.50888126 -.00000506  00000-0  00000-0 0  9994
2 18106  70.2519 122.6369 5456623  26.9651 117.8292  2.03580069287089

Epoch: 2026-06-03T12:12Z

TLE epoch observation values (Epoch: 2026-06-03T12:12:47.340Z)

Latitude

-3.57282°

Longitude

-131.25382°

Altitude

30,695.47 km

Speed

2.519 km/s

True Right ascension

20h 15m 38s

True Declination

-3° 34' 07"

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

00:12:18

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

34,267.235 km

Perigee altitude

5,569.314 km

Semi-major axis

26,296.411 km

Eccentricity

0.54566

Inclination

70.2519°

RAAN

122.6369°

Arg. of periapsis

26.9651°

True anomaly

156.80405°

Mean anomaly

117.8292°

Eccentric anomaly

138.53226°

Mean motion

0.50898 °/min

Orbital period

707.3 mins

BSTAR

Loading maneuver chart data...

Computing Atmospheric mass density...

Loading historical data...

Other satellites on launch #50 in the year 1987 (1987-06-12 UTC)

COSMOS 1851, 18103

SL-6 PLAT, 18105 (Decayed)

SL-6 R/B(1), 18104 (Decayed)

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-6 R/B(2) 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.
32 mins	2026-06-04 19:36:37.175Z	111.235° ESE	2026-06-04 19:50:37.175Z	72.357° E	18.308°	2026-06-04 20:08:37.175Z	31.318° NE
311 mins	2026-06-05 07:59:37.175Z	331.747° NNW	2026-06-05 08:59:37.175Z	92.526° ESE	44.989°	2026-06-05 13:10:37.175Z	214.211° SW

Items per page:

1–2 of 2 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-6 R/B(2), 18106 on other resources

View SL-6 R/B(2), 18106 on Heavens-Above

View SL-6 R/B(2), 18106 on Keep Track

View SL-6 R/B(2), 18106 on Celestrak

View SL-6 R/B(2), 18106 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-6 R/B(2), 18106

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: 2026-06-03T12:12:47.340Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #50 in the year 1987 (1987-06-12 UTC)

SL-6 R/B(2) Visibility forecast

Co-orbital & Co-planar RSOs

Check out SL-6 R/B(2), 18106 on other resources

Documentation

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