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.

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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 (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, Large (>1 m²)

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Last TLE update: 1 day ago

TLE from 1 day ago

0 SL-12 R/B(AUX MOTOR)
1 19856U 89001H   26253.34906112 -.00000117  00000-0 -80935-5 0  9992
2 19856  65.1284 349.7415 5678827  19.9315 355.3773  4.25462445584153

Epoch: 2026-09-10T08:22Z

TLE epoch observation values (Epoch: 2026-09-10T08:22:38.880Z)

Latitude

-0.00014°

Longitude

-125.30316°

Altitude

721.167 km

Speed

9.356 km/s

True Right ascension

23h 18m 59s

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

04:28:47

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

18,843.722 km

Perigee altitude

573.149 km

Semi-major axis

16,086.573 km

Eccentricity

0.56788

Inclination

65.1284°

RAAN

349.7415°

Arg. of periapsis

19.9315°

True anomaly

339.92429°

Mean anomaly

355.3773°

Eccentric anomaly

349.38195°

Mean motion

1.06377 °/min

Orbital period

338.42 mins

BSTAR

-0.0000080935

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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.
64 mins	2026-09-11 12:52:09.601Z	326.795° NNW	2026-09-11 13:02:09.601Z	24.768° NE	29.407°	2026-09-11 13:56:09.601Z	91.028° ESE
154 mins	2026-09-11 18:42:09.601Z	321.572° NNW	2026-09-11 19:09:09.601Z	257.597° W	59.743°	2026-09-11 21:16:09.601Z	206.226° SW
22 mins	2026-09-12 11:24:09.601Z	326.893° NNW	2026-09-12 11:29:09.601Z	6.654° NNE	22.791°	2026-09-12 11:46:09.601Z	51.469° ENE

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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), 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: 1 day ago

TLE from 1 day ago

TLE epoch observation values (Epoch: 2026-09-10T08:22:38.880Z)

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: 1 day ago