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.

Loading next visibility...

Iframe embed code

<iframe src="https://www.satcat.com/sats-embedded/19755?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

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

Optional Secondary NORAD IDs

Max 10 NORAD IDs; Separated by commas

Initial load time (optional)

ISO8601 Format

TLE date request (optional)

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: 12 hours ago

TLE from 12 hours ago

0 SL-12 R/B(AUX MOTOR)
1 19755U 89001G   25350.65146809 -.00000066  00000-0 -60738-3 0  9990
2 19755  65.2667  72.7264 5524490  86.3869 331.9511  4.25601684573349

Epoch: 2025-12-16T15:38Z

TLE epoch observation values (Epoch: 2025-12-16T15:38:06.842Z)

Latitude

0.00001°

Longitude

112.6793°

Altitude

4,412.739 km

Speed

7.008 km/s

True Right ascension

04h 50m 57s

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

02:44:06

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

18,590.045 km

Perigee altitude

819.867 km

Semi-major axis

16,083.093 km

Eccentricity

0.55245

Inclination

65.2667°

RAAN

72.7264°

Arg. of periapsis

86.3869°

True anomaly

273.63079°

Mean anomaly

331.9511°

Eccentric anomaly

306.50986°

Mean motion

1.06412 °/min

Orbital period

338.31 mins

BSTAR

-0.00060738

Loading maneuver chart data...

Computing Atmospheric mass density...

Loading historical data...

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

SL-12 DEB, 28259 (Decayed)

SL-12 DEB, 26047 (Decayed)

SL-12 DEB, 25797 (Decayed)

COSMOS 1989 (ETALON 1), 19751

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

SL-12 DEB, 36882

SL-12 R/B(2), 19754

SL-12 DEB, 19753

COSMOS 1988 (GLONASS), 19750

SL-12 DEB, 26814 (Decayed)

SL-12 DEB, 25798

SL-12 DEB, 36883 (Decayed)

SL-12 DEB, 25799 (Decayed)

SL-12 DEB, 43334

COSMOS 1987 (GLONASS), 19749

Did you know?

You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.

Click here to try in Sandbox

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

Loading observer location...
Set Observer location

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.
15 mins	2025-12-17 08:40:25.413Z	237.033° WSW	2025-12-17 08:51:25.413Z	306.124° NW	31.095°	2025-12-17 08:55:25.413Z	7.499° NNE
15 mins	2025-12-17 14:43:25.413Z	3.702° NNE	2025-12-17 14:47:25.413Z	57.028° ENE	25.654°	2025-12-17 14:58:25.413Z	112.696° SE

Items per page:

1–2 of 2 items

of 1 page

Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

Please sign-in to view Co-orbital & Co-planar RSOs.

Click to sort rows by RSO header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Type header in ascending order	Click to sort rows by Inclination Δ header in ascending order	Click to sort rows by RAAN Δ header in ascending order	Click to sort rows by Coplanar Angle header in ascending order	Click to sort rows by SMA Δ header in ascending order	Click to sort rows by Orbital period header in ascending order	Click to sort rows by <5km Md TCA header in descending order

CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

Authenticating...

Click to sort rows by Secondary header in ascending order	Click to sort rows by Secondary name header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Owner header in ascending order	Click to sort rows by Obj. Type header in ascending order	Click to sort rows by Miss dist. header in ascending order	Click to sort rows by Rel. speed header in ascending order	Click to sort rows by Apr. angle header in ascending order	Click to sort rows by TCA header in descending order

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: 12 hours ago

TLE from 12 hours ago

TLE epoch observation values (Epoch: 2025-12-16T15:38:06.842Z)

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: 12 hours ago