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 (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: 18 hours ago

TLE from 18 hours ago

0 SL-12 R/B(AUX MOTOR)
1 19856U 89001H   25350.39522283 -.00000095  00000-0  56373-4 0  9999
2 19856  65.1226  85.6152 5670696  32.8585 352.1803  4.25427816572757

Epoch: 2025-12-16T09:29Z

TLE epoch observation values (Epoch: 2025-12-16T09:29:07.252Z)

Latitude

-0.00011°

Longitude

-141.93187°

Altitude

1,008.561 km

Speed

9.12 km/s

True Right ascension

05h 42m 30s

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

02:42:19

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

18,832.015 km

Perigee altitude

586.609 km

Semi-major axis

16,087.449 km

Eccentricity

0.56707

Inclination

65.1226°

RAAN

85.6152°

Arg. of periapsis

32.8585°

True anomaly

327.00627°

Mean anomaly

352.1803°

Eccentric anomaly

342.30447°

Mean motion

1.06368 °/min

Orbital period

338.45 mins

BSTAR

0.000056373

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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 DEB, 43334

COSMOS 1988 (GLONASS), 19750

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

SL-12 R/B(2), 19754

SL-12 DEB, 25799 (Decayed)

SL-12 DEB, 19753

SL-12 DEB, 36882

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

SL-12 DEB, 26046 (Decayed)

COSMOS 1987 (GLONASS), 19749

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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.
7 mins	2025-12-17 08:09:38.569Z	198.365° SSW	2025-12-17 08:12:38.569Z	119.069° SE	42.003°	2025-12-17 08:16:38.569Z	37.071° NE
68 mins	2025-12-17 14:02:38.569Z	344.119° N	2025-12-17 14:12:38.569Z	44.457° NE	29.229°	2025-12-17 15:10:38.569Z	111.935° ESE
107 mins	2025-12-17 19:51:38.569Z	309.343° NW	2025-12-17 20:12:38.569Z	257.286° W	32.793°	2025-12-17 21:38:38.569Z	215.134° SW

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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), 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: 18 hours ago

TLE from 18 hours ago

TLE epoch observation values (Epoch: 2025-12-16T09:29:07.252Z)

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: 18 hours ago