SL-6 R/B(2), 10089

Orbit data source: Space-Track

SL-6 R/B(2), 10089 is space debris in HEO originally from a launch on Thu, 16 Jun 1977 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/10089?theme=dark&initialShowStats=false

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Identifier

10089, 1977-047D

Orbit

HEO

Country

CIS

Related business

Russian Strategic Rocket Forces (RU)

Manufacturer

NPO Energiya

Mission

Spacecraft

Bus & Motor

BLOK-L, Unknown motor

Mass

~1,000 kg wet, ~1,000 kg dry

Launch date (UTC)

1977-06-16 (49 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: 5 days ago

TLE from 5 days ago

0 SL-6 R/B(2)
1 10089U 77047D   26168.81703499 -.00000059  00000-0  00000-0 0  9992
2 10089  66.8830  96.0427 5709616 302.2078  14.7821  1.99308841260469

Epoch: 2026-06-17T19:36Z

TLE epoch observation values (Epoch: 2026-06-17T19:36:31.823Z)

Latitude

0.00012°

Longitude

-104.1688°

Altitude

7,416.629 km

Speed

6.546 km/s

True Right ascension

06h 24m 07s

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

23:07:56

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

35,520.855 km

Perigee altitude

5,064.712 km

Semi-major axis

26,670.92 km

Eccentricity

0.57096

Inclination

66.883°

RAAN

96.0427°

Arg. of periapsis

302.2078°

True anomaly

57.86913°

Mean anomaly

14.7821°

Eccentric anomaly

32.22795°

Mean motion

0.49829 °/min

Orbital period

722.46 mins

BSTAR

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Computing Atmospheric mass density...

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Other satellites on launch #47 in the year 1977 (1977-06-16 UTC)

SL-6 DEB, 48258

COSMOS 917 DEB, 32964 (Decayed)

COSMOS 917 DEB, 32967 (Decayed)

COSMOS 917 DEB, 52205 (Decayed)

COSMOS 917 DEB, 35504

COSMOS 917 DEB, 32966

COSMOS 917 DEB, 27886

COSMOS 917 DEB, 26964

SL-6 R/B(1), 10060 (Decayed)

COSMOS 917 DEB, 32965

COSMOS 917 DEB, 27888

COSMOS 917 DEB, 27887

COSMOS 917 DEB, 27884

COSMOS 917 DEB, 27883

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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-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.
34 mins	2026-06-22 12:05:39.207Z	334.034° NNW	2026-06-22 12:05:39.207Z	334.034° NNW	12.267°	2026-06-22 12:39:39.207Z	331.039° NNW
625 mins	2026-06-22 19:56:39.207Z	196.543° SSW	2026-06-22 20:43:39.207Z	237.907° WSW	44.999°	2026-06-23 06:21:39.207Z	156.109° SSE
81 mins	2026-06-23 10:44:39.207Z	344.974° N	2026-06-23 11:35:39.207Z	338.629° N	12.428°	2026-06-23 12:05:39.207Z	335.404° NNW

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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), 10089 on other resources

View SL-6 R/B(2), 10089 on Heavens-Above

View SL-6 R/B(2), 10089 on Keep Track

View SL-6 R/B(2), 10089 on Celestrak

View SL-6 R/B(2), 10089 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), 10089

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 5 days ago

TLE from 5 days ago

TLE epoch observation values (Epoch: 2026-06-17T19:36:31.823Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #47 in the year 1977 (1977-06-16 UTC)

SL-6 R/B(2) Visibility forecast

Co-orbital & Co-planar RSOs

Check out SL-6 R/B(2), 10089 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 5 days ago