SL-12 R/B(AUX MOTOR), 28919

Orbit data source: Space-Track

SL-12 R/B(AUX MOTOR), 28919 is space debris in HEO originally from a launch on Sun, 25 Dec 2005 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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https://www.satcat.com/sats-embedded/28919?theme=dark&initialShowStats=false

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Identifier

28919, 2005-050E

Orbit

HEO

Country

CIS

Related business

Russian Strategic Rocket Forces (RU)

Manufacturer

RKKE

Mission

Spacecraft

Bus & Motor

SOZ, Unknown motor

Mass

56 kg wet, 56 kg dry

Launch date (UTC)

2005-12-25 (21 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: 19 hours ago

TLE from 19 hours ago

0 SL-12 R/B(AUX MOTOR)
1 28919U 05050E   26313.34484185  .00000139  00000-0  48682-3 0  9995
2 28919  65.0360   8.7249 5733021 190.2623 149.5355  4.24403420322502

Epoch: 2026-11-09T08:16Z

TLE epoch observation values (Epoch: 2026-11-09T08:16:34.335Z)

Latitude

-0.00002°

Longitude

-163.93202°

Altitude

18,446.557 km

Speed

2.717 km/s

True Right ascension

00h 34m 56s

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

23:34:00

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

18,972.982 km

Perigee altitude

497.383 km

Semi-major axis

16,113.319 km

Eccentricity

0.5733

Inclination

65.036°

RAAN

8.7249°

Arg. of periapsis

190.2623°

True anomaly

169.77297°

Mean anomaly

149.5355°

Eccentric anomaly

160.50021°

Mean motion

1.06112 °/min

Orbital period

339.26 mins

BSTAR

0.00048682

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Other satellites on launch #50 in the year 2005 (2005-12-25 UTC)

SL-12 R/B(AUX MOTOR), 28920

SL-12 R/B(2), 28918

COSMOS 2417 (GLONASS), 28917

COSMOS 2418 (GLONASS), 28916

COSMOS 2419 (GLONASS), 28915

SL-12 R/B(1), 28921 (Decayed)

SL-12 DEB, 43919

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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.
39 mins	2026-11-10 03:17:16.187Z	69.076° E	2026-11-10 03:17:16.187Z	69.076° E	46.11°	2026-11-10 03:56:16.187Z	33.409° NE
216 mins	2026-11-10 06:16:16.187Z	220.287° SW	2026-11-10 09:24:16.187Z	327.142° NNW	48.164°	2026-11-10 09:52:16.187Z	47.433° ENE
23 mins	2026-11-10 15:21:16.187Z	326.405° NNW	2026-11-10 15:39:16.187Z	261.472° W	48.256°	2026-11-10 15:44:16.187Z	187.608° SSW
134 mins	2026-11-11 00:12:16.187Z	102.669° ESE	2026-11-11 01:42:16.187Z	72.535° E	29.765°	2026-11-11 02:26:16.187Z	36.877° NE

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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), 28919 on other resources

View SL-12 R/B(AUX MOTOR), 28919 on Heavens-Above

View SL-12 R/B(AUX MOTOR), 28919 on Keep Track

View SL-12 R/B(AUX MOTOR), 28919 on Celestrak

View SL-12 R/B(AUX MOTOR), 28919 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), 28919

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 19 hours ago

TLE from 19 hours ago

TLE epoch observation values (Epoch: 2026-11-09T08:16:34.335Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #50 in the year 2005 (2005-12-25 UTC)

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

Co-orbital & Co-planar RSOs

Check out SL-12 R/B(AUX MOTOR), 28919 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 19 hours ago