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

Orbit data source: Space-Track

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

19856, 1989-001H

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, Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 3 days ago

TLE from 3 days ago

0 SL-12 R/B(AUX MOTOR)
1 19856U 89001H   26170.61519526  .00000006  00000-0  39611-3 0  9997
2 19856  65.1669  19.3752 5674467  23.9237 354.5257  4.25463793580632

Epoch: 2026-06-19T14:45Z

TLE epoch observation values (Epoch: 2026-06-19T14:45:52.870Z)

Latitude

0.00011°

Longitude

-109.93697°

Altitude

804.141 km

Speed

9.287 km/s

True Right ascension

01h 17m 29s

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

00:51:09

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

18,836.651 km

Perigee altitude

580.147 km

Semi-major axis

16,086.536 km

Eccentricity

0.56745

Inclination

65.1669°

RAAN

19.3752°

Arg. of periapsis

23.9237°

True anomaly

336.40091°

Mean anomaly

354.5257°

Eccentric anomaly

347.47478°

Mean motion

1.06377 °/min

Orbital period

338.42 mins

BSTAR

0.00039611

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, 26813 (Decayed)

SL-12 DEB, 25799 (Decayed)

SL-12 DEB, 26046 (Decayed)

SL-12 DEB, 28257 (Decayed)

SL-12 DEB, 43334

COSMOS 1988 (GLONASS), 19750

SL-12 DEB, 19753

SL-12 DEB, 28259 (Decayed)

SL-12 DEB, 38556 (Decayed)

SL-12 DEB, 26814 (Decayed)

SL-12 DEB, 28258 (Decayed)

COSMOS 1989 (ETALON 1), 19751

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

SL-12 DEB, 25798

SL-12 DEB, 28260 (Decayed)

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.
10 mins	2026-06-22 16:13:35.722Z	239.911° WSW	2026-06-22 16:16:35.722Z	313.3° NW	37.091°	2026-06-22 16:23:35.722Z	27.644° NE
138 mins	2026-06-22 22:06:35.722Z	337.233° NNW	2026-06-22 22:21:35.722Z	51.813° ENE	37.88°	2026-06-23 00:24:35.722Z	143.803° SSE
95 mins	2026-06-23 03:57:35.722Z	309.062° NW	2026-06-23 04:22:35.722Z	268.223° W	25.686°	2026-06-23 05:32:35.722Z	235.254° WSW

Items per page:

1–3 of 3 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), 19856 on other resources

View SL-12 R/B(AUX MOTOR), 19856 on Heavens-Above

View SL-12 R/B(AUX MOTOR), 19856 on Keep Track

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

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

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 3 days ago

TLE from 3 days ago

TLE epoch observation values (Epoch: 2026-06-19T14:45:52.870Z)

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), 19856 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 3 days ago