SL-12 R/B(AUX MOTOR), 19755

Orbit data source: Space-Track

SL-12 R/B(AUX MOTOR), 19755 is space debris in HEO originally from a launch on Tue, 10 Jan 1989 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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ISO8601 Format

Identifier

19755, 1989-001G

Orbit

HEO

Country

CIS

Related business

Russian Strategic Rocket Forces (RU)

Manufacturer

NPO Energiya

Mission

Spacecraft

Bus & Motor

SOZ, Unknown motor

Mass

Wet unknown, ~60 kg dry

Launch date (UTC)

1989-01-10 (38 years ago)

Launch vehicle

Unknown

Launch site

Tyuratam Missile And Space Complex (TTMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl, 0.6 m

Radar Cross Section

0.660 m², Medium (>0.1 m² and < 1m²)

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Last TLE update: 1 day ago

TLE from 1 day ago

0 SL-12 R/B(AUX MOTOR)
1 19755U 89001G   26253.51024233 -.00000074  00000-0 -29794-3 0  9990
2 19755  65.2460 340.7993 5557945  72.6371 338.7800  4.25604598584743

Epoch: 2026-09-10T12:14Z

TLE epoch observation values (Epoch: 2026-09-10T12:14:44.937Z)

Latitude

-0°

Longitude

167.57384°

Altitude

3,153.18 km

Speed

7.673 km/s

True Right ascension

22h 43m 13s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow 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

04:28:49

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

18,643.725 km

Perigee altitude

766.026 km

Semi-major axis

16,083.013 km

Eccentricity

0.55579

Inclination

65.246°

RAAN

340.7993°

Arg. of periapsis

72.6371°

True anomaly

287.35162°

Mean anomaly

338.78°

Eccentric anomaly

317.10449°

Mean motion

1.06412 °/min

Orbital period

338.31 mins

BSTAR

-0.00029794

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Other satellites on launch #1 in the year 1989 (1989-01-10 UTC)

SL-12 DEB, 28260 (Decayed)

SL-12 DEB, 28258 (Decayed)

SL-12 DEB, 28259 (Decayed)

SL-12 DEB, 36883 (Decayed)

SL-12 DEB, 25797 (Decayed)

SL-12 R/B(1), 19752 (Decayed)

SL-12 DEB, 25799 (Decayed)

SL-12 DEB, 26046 (Decayed)

SL-12 DEB, 28257 (Decayed)

SL-12 DEB, 26814 (Decayed)

SL-12 DEB, 26047 (Decayed)

SL-12 DEB, 38556 (Decayed)

COSMOS 1989 (ETALON 1), 19751

SL-12 DEB, 25798

SL-12 DEB, 43334

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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.
45 mins	2026-09-11 16:56:10.962Z	325.283° NNW	2026-09-11 17:03:10.962Z	235.056° WSW	81.904°	2026-09-11 17:41:10.962Z	160.844° S
5 mins	2026-09-12 09:35:10.962Z	280.157° WNW	2026-09-12 09:38:10.962Z	318.185° NNW	16.376°	2026-09-12 09:40:10.962Z	348.123° N

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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), 19755 on other resources

View SL-12 R/B(AUX MOTOR), 19755 on Heavens-Above

View SL-12 R/B(AUX MOTOR), 19755 on Keep Track

View SL-12 R/B(AUX MOTOR), 19755 on Celestrak

View SL-12 R/B(AUX MOTOR), 19755 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), 19755

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: 2026-09-10T12:14:44.937Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #1 in the year 1989 (1989-01-10 UTC)

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

Co-orbital & Co-planar RSOs

Check out SL-12 R/B(AUX MOTOR), 19755 on other resources

Documentation

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