SL-12 R/B(AUX MOTOR), 15335

Orbit data source: Space-Track

SL-12 R/B(AUX MOTOR), 15335 is space debris in LEO originally from a launch on Fri, 28 Sep 1984 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.

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https://www.satcat.com/sats-embedded/15335?theme=dark&initialShowStats=false

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Identifier

15335, 1984-106C

Orbit

LEO

Country

CIS

Related business

Russian Strategic Rocket Forces (RU)

Manufacturer

NPO Energiya

Mission

Spacecraft

Bus & Motor

SOZ, Unknown motor

Mass

110 kg wet, 56 kg dry

Launch date (UTC)

1984-09-28 (42 years ago)

Launch vehicle

Unknown

Launch site

Tyuratam Missile And Space Complex (TTMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

CYL, 1.1 m

Radar Cross Section

Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 16 hours ago

TLE from 16 hours ago

0 SL-12 R/B(AUX MOTOR)
1 15335U 84106C   26272.73795506  .00000004  00000-0  39408-4 0  9999
2 15335  66.5513  76.9115 0012886 188.1380 263.3358 14.23167963179029

Epoch: 2026-09-29T17:42Z

TLE epoch observation values (Epoch: 2026-09-29T17:42:39.317Z)

Latitude

66.62675°

Longitude

-103.91507°

Altitude

826.402 km

Speed

7.446 km/s

True Right ascension

11h 20m 59s

True Declination

66° 30' 09"

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

03:46:03

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

822.323 km

Perigee altitude

803.79 km

Semi-major axis

7,191.193 km

Eccentricity

0.00129

Inclination

66.5513°

RAAN

76.9115°

Arg. of periapsis

188.138°

True anomaly

263.18916°

Mean anomaly

263.3358°

Eccentric anomaly

263.26248°

Mean motion

3.55911 °/min

Orbital period

101.15 mins

BSTAR

0.000039408

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Other satellites on launch #106 in the year 1984 (1984-09-28 UTC)

COSMOS 1603, 15333

SL-12 R/B(2), 15334

SL-12 R/B(AUX MOTOR), 15338

SL-12 DEB, 22145 (Decayed)

SL-12 DEB, 22153 (Decayed)

SL-12 DEB, 22149 (Decayed)

SL-12 DEB, 22157 (Decayed)

SL-12 DEB, 22155 (Decayed)

SL-12 DEB, 22141 (Decayed)

SL-12 DEB, 22142 (Decayed)

COSMOS 1603 DEB, 43312

SL-12 R/B(1), 15336 (Decayed)

SL-12 PLAT, 15337 (Decayed)

SL-12 DEB, 17358 (Decayed)

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SL-12 R/B(AUX MOTOR) 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.
9 mins	2026-09-30 11:56:50.011Z	175.309° S	2026-09-30 12:01:50.011Z	103.262° ESE	37.212°	2026-09-30 12:05:50.011Z	48.926° ENE
8 mins	2026-09-30 13:41:50.011Z	253.225° W	2026-09-30 13:45:50.011Z	315.257° NNW	32.63°	2026-09-30 13:49:50.011Z	8.446° NNE
8 mins	2026-09-30 20:48:50.011Z	356.933° N	2026-09-30 20:52:50.011Z	59.239° ENE	31.095°	2026-09-30 20:56:50.011Z	110.477° ESE
8 mins	2026-09-30 22:32:50.011Z	307.791° NW	2026-09-30 22:36:50.011Z	239.059° WSW	38.095°	2026-09-30 22:40:50.011Z	184.883° SSW

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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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Check out SL-12 R/B(AUX MOTOR), 15335 on other resources

View SL-12 R/B(AUX MOTOR), 15335 on Heavens-Above

View SL-12 R/B(AUX MOTOR), 15335 on Keep Track

View SL-12 R/B(AUX MOTOR), 15335 on Celestrak

View SL-12 R/B(AUX MOTOR), 15335 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(AUX MOTOR), 15335

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 16 hours ago

TLE from 16 hours ago

TLE epoch observation values (Epoch: 2026-09-29T17:42:39.317Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #106 in the year 1984 (1984-09-28 UTC)

SL-12 R/B(AUX MOTOR) Visibility forecast

Co-orbital & Co-planar RSOs

Check out SL-12 R/B(AUX MOTOR), 15335 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 16 hours ago