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: 17 hours ago

TLE from 17 hours ago

0 SL-12 R/B(AUX MOTOR)
1 19856U 89001H   25257.78088474  .00000032  00000-0  41509-3 0  9991
2 19856  65.1267 118.7048 5663087  37.1882 351.1591  4.25417645568812

Epoch: 2025-09-14T18:44Z

TLE epoch observation values (Epoch: 2025-09-14T18:44:28.441Z)

Latitude

0.0001°

Longitude

-156.40465°

Altitude

1,148.229 km

Speed

9.009 km/s

True Right ascension

07h 54m 50s

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

04:04:01

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

18,820.178 km

Perigee altitude

598.961 km

Semi-major axis

16,087.707 km

Eccentricity

0.56631

Inclination

65.1267°

RAAN

118.7048°

Arg. of periapsis

37.1882°

True anomaly

323.18053°

Mean anomaly

351.1591°

Eccentric anomaly

340.1316°

Mean motion

1.06366 °/min

Orbital period

338.45 mins

BSTAR

0.00041509

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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), 19755

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.
7 mins	2025-09-15 17:26:46.756Z	246.299° WSW	2025-09-15 17:29:46.756Z	317.031° NNW	30.567°	2025-09-15 17:33:46.756Z	19.553° NNE
90 mins	2025-09-15 23:19:46.756Z	343.263° N	2025-09-15 23:30:46.756Z	54.623° ENE	35.979°	2025-09-16 00:49:46.756Z	134.098° SE
71 mins	2025-09-16 05:10:46.756Z	298.957° NW	2025-09-16 05:29:46.756Z	261.356° W	22.678°	2025-09-16 06:21:46.756Z	230.164° WSW

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), 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: 17 hours ago

TLE from 17 hours ago

TLE epoch observation values (Epoch: 2025-09-14T18:44:28.441Z)

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: 17 hours ago