SL-12 R/B(2), 16339

Orbit data source: Space-Track

SL-12 R/B(2), 16339 is space debris in GEO originally from a launch on Fri, 15 Nov 1985 UTC launched from the Tyuratam Missile And Space Complex (TTMTR). 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.

Not visible in the next 10 days

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Iframe URL

https://www.satcat.com/sats-embedded/16339?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

16339, 1985-107F

Orbit

GEO

Country

CIS

Related business

Russian Strategic Rocket Forces (RU)

Manufacturer

NPO Energiya

Mission

Spacecraft

Bus & Motor

BLOK DM, Unknown motor

Mass

2,440 kg wet, 2,440 kg dry

Launch date (UTC)

1985-11-15 (40 years ago)

Launch vehicle

Unknown

Launch site

Tyuratam Missile And Space Complex (TTMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl, 3.1 m

Radar Cross Section

23.597 m², Large (>1 m²)

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Last TLE update: 12 hours ago

TLE from 12 hours ago

0 SL-12 R/B(2)
1 16339U 85107F   25260.71923697 -.00000058  00000-0  00000-0 0  9996
2 16339  11.5096 324.5654 0017619 124.9482 232.5079  0.97493750124716

Epoch: 2025-09-17T17:15Z

TLE epoch observation values (Epoch: 2025-09-17T17:15:42.074Z)

Latitude

-0.54375°

Longitude

66.09936°

Altitude

36,629.493 km

Speed

3.043 km/s

True Right ascension

21h 27m 39s

True Declination

0° 32' 36"

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

22:01:02

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

36,660.5 km

Perigee altitude

36,509.107 km

Semi-major axis

42,962.941 km

Eccentricity

0.00176

Inclination

11.5096°

RAAN

324.5654°

Arg. of periapsis

124.9482°

True anomaly

232.34792°

Mean anomaly

232.5079°

Eccentric anomaly

232.42789°

Mean motion

0.24373 °/min

Orbital period

1,477.07 mins

BSTAR

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Computing Atmospheric mass density...

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Other satellites on launch #107 in the year 1985 (1985-11-15 UTC)

RADUGA 17, 16250

SL-12 R/B(1), 16251 (Decayed)

SL-12 PLAT, 16252 (Decayed)

SL-12 R/B(AUX MOTOR), 16254 (Decayed)

SL-12 R/B(AUX MOTOR), 16255 (Decayed)

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SL-12 R/B(2) Visibility

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16339 neighbors

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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-12 R/B(2), 16339 on other resources

View SL-12 R/B(2), 16339 on Heavens-Above

View SL-12 R/B(2), 16339 on Keep Track

View SL-12 R/B(2), 16339 on Celestrak

View SL-12 R/B(2), 16339 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-12 R/B(2), 16339

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 12 hours ago

TLE from 12 hours ago

TLE epoch observation values (Epoch: 2025-09-17T17:15:42.074Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #107 in the year 1985 (1985-11-15 UTC)

SL-12 R/B(2) Visibility

16339 neighbors

Co-orbital & Co-planar RSOs

Check out SL-12 R/B(2), 16339 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 12 hours ago