SL-6 R/B(2), 16186

Orbit data source: Space-Track

SL-6 R/B(2), 16186 is space debris in HEO originally from a launch on Tue, 22 Oct 1985 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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https://www.satcat.com/sats-embedded/16186?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

16186, 1985-098D

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)

1985-10-22 (41 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)

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Last TLE update: 14 hours ago

TLE from 14 hours ago

0 SL-6 R/B(2)
1 16186U 85098D   26154.65046589  .00000383  00000-0  00000-0 0  9997
2 16186  71.3658   8.2130 5596891 343.0179 220.6542  2.03406927301567

Epoch: 2026-06-03T15:36Z

TLE epoch observation values (Epoch: 2026-06-03T15:36:40.252Z)

Latitude

2.57825°

Longitude

61.08727°

Altitude

33,108.93 km

Speed

2.245 km/s

True Right ascension

12h 29m 26s

True Declination

2° 34' 32"

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

15:37:41

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

34,659.229 km

Perigee altitude

5,206.992 km

Semi-major axis

26,311.248 km

Eccentricity

0.55969

Inclination

71.3658°

RAAN

8.213°

Arg. of periapsis

343.0179°

True anomaly

194.20573°

Mean anomaly

220.6542°

Eccentric anomaly

206.39715°

Mean motion

0.50855 °/min

Orbital period

707.9 mins

BSTAR

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Other satellites on launch #98 in the year 1985 (1985-10-22 UTC)

COSMOS 1698, 16183

SL-6 R/B(1), 16184 (Decayed)

SL-6 PLAT, 16185 (Decayed)

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SL-6 R/B(2) 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.
524 mins	2026-06-04 20:16:25.088Z	290.98° WNW	2026-06-05 00:40:25.088Z	123.351° SE	42.002°	2026-06-05 05:00:25.088Z	206.764° SW

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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-6 R/B(2), 16186 on other resources

View SL-6 R/B(2), 16186 on Heavens-Above

View SL-6 R/B(2), 16186 on Keep Track

View SL-6 R/B(2), 16186 on Celestrak

View SL-6 R/B(2), 16186 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), 16186

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 14 hours ago

TLE from 14 hours ago

TLE epoch observation values (Epoch: 2026-06-03T15:36:40.252Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #98 in the year 1985 (1985-10-22 UTC)

SL-6 R/B(2) Visibility forecast

Co-orbital & Co-planar RSOs

Check out SL-6 R/B(2), 16186 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 14 hours ago