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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https://www.satcat.com/sats-embedded/19755?theme=dark&initialShowStats=false

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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 (37 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)

Expand to show TLE details & history
Last TLE update: 10 hours ago

TLE from 10 hours ago

0 SL-12 R/B(AUX MOTOR)
1 19755U 89001G   25258.07534060  .00000013  00000-0 -10188-3 0  9998
2 19755  65.2535 104.1453 5502967  91.1744 329.1241  4.25602824569402

Epoch: 2025-09-15T01:48Z

TLE epoch observation values (Epoch: 2025-09-15T01:48:29.427Z)

Latitude

-0°

Longitude

82.74148°

Altitude

4,949.757 km

Speed

6.753 km/s

True Right ascension

06h 56m 35s

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

04:08:38

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

18,555.395 km

Perigee altitude

854.473 km

Semi-major axis

16,083.071 km

Eccentricity

0.5503

Inclination

65.2535°

RAAN

104.1453°

Arg. of periapsis

91.1744°

True anomaly

268.99694°

Mean anomaly

329.1241°

Eccentric anomaly

302.54578°

Mean motion

1.06412 °/min

Orbital period

338.31 mins

BSTAR

-0.00010188

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

COSMOS 1987 (GLONASS), 19749

COSMOS 1988 (GLONASS), 19750

COSMOS 1989 (ETALON 1), 19751

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

SL-12 DEB, 19753

SL-12 R/B(2), 19754

SL-12 R/B(AUX MOTOR), 19856

SL-12 DEB, 25797 (Decayed)

SL-12 DEB, 25798

SL-12 DEB, 25799 (Decayed)

SL-12 DEB, 26046 (Decayed)

SL-12 DEB, 26047 (Decayed)

SL-12 DEB, 26813 (Decayed)

SL-12 DEB, 26814 (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.
22 mins	2025-09-15 13:01:22.757Z	157.918° S	2025-09-15 13:16:22.757Z	120.295° SE	20.074°	2025-09-15 13:23:22.757Z	74.428° E
24 mins	2025-09-16 00:57:22.757Z	322.353° NNW	2025-09-16 01:02:22.757Z	224.461° SW	44.132°	2025-09-16 01:21:22.757Z	158.617° S

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(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: 10 hours ago

TLE from 10 hours ago

TLE epoch observation values (Epoch: 2025-09-15T01:48:29.427Z)

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: 10 hours ago