SL-12 R/B(AUX MOTOR), 8546

Orbit data source: Space-Track

SL-12 R/B(AUX MOTOR), 8546 is space debris in HEO originally from a launch on Mon, 22 Dec 1975 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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Iframe URL

https://www.satcat.com/sats-embedded/8546?theme=dark&initialShowStats=false

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ISO8601 Format

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ISO8601 Format

Identifier

8546, 1975-123D

Orbit

HEO

Last TLE update

17 hours ago

Origin

Russian Strategic Rocket Forces (RU)

Manufacturer

NPO Energiya

Mission

Spacecraft

Bus & Motor

SOZ, Unknown motor

Mass

Wet unknown, ~60 kg dry

Launch date (UTC)

1975-12-22 (49 years ago)

Launch vehicle

Unknown

Launch site

Tyuratam Missile And Space Complex (TTMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl, 1.1 m

Radar Cross Section

0.660 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history

TLE from 17 hours ago

0 SL-12 R/B(AUX MOTOR)
1  8546U 75123D   25153.66809179 -.00000227  00000-0 -15324-3 0  9994
2  8546  45.9452 199.5343 5954464 206.6795 103.3598  3.98730531675400

Epoch: 2025-06-02T16:02Z

TLE epoch observation values (Epoch: 2025-06-02T16:02:03.13Z)

Latitude

0.00001°

Longitude

67.64833°

Altitude

16,796.952 km

Speed

3.267 km/s

True Right ascension

13h 18m 09s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

-31.55808°

Longitude

30.9119°

Altitude

6,649.865 km

Speed

6.123 km/s

Apparent Right ascension

09h 40m 22s

Apparent Declination

-37° 34' 27"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

18:46:00

Azimuth

259.694° W

Elevation

-56.257°

Doppler factor

Orbital elements

Apogee altitude

20,425.523 km

Perigee altitude

418.404 km

Semi-major axis

16,800.101 km

Eccentricity

0.59545

Inclination

45.9452°

RAAN

199.5343°

Arg. of periapsis

206.6795°

True anomaly

Unknown

Mean anomaly

103.3598°

Eccentric anomaly

Unknown

Mean motion

0.99672 °/min

Orbital period

361.18 mins

BSTAR

-0.00015324

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Other satellites on launch #123 in the year 1975 (1975-12-22 UTC)

RADUGA 1, 8513

SL-12 PLAT, 8514 (Decayed)

SL-12 R/B(1), 8515 (Decayed)

SL-12 R/B(AUX MOTOR), 8547 (Decayed)

SL-12 R/B(2), 11568

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

Observer location: undefined°, undefined°

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.
62 mins	2025-06-03 13:10:11.416Z	302.445° NW	2025-06-03 14:04:11.416Z	240.203° WSW	36.193°	2025-06-03 14:12:11.416Z	171.282° S
30 mins	2025-06-04 00:07:11.416Z	72.636° E	2025-06-04 00:23:11.416Z	68.866° E	10.469°	2025-06-04 00:37:11.416Z	65.122° ENE
274 mins	2025-06-04 03:26:11.416Z	198.787° SSW	2025-06-04 07:03:11.416Z	306.578° NW	44.999°	2025-06-04 08:00:11.416Z	70.967° E

Authenticating...

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Check out SL-12 R/B(AUX MOTOR), 8546 on other resources

View SL-12 R/B(AUX MOTOR), 8546 on Heavens-Above

View SL-12 R/B(AUX MOTOR), 8546 on Keep Track

View SL-12 R/B(AUX MOTOR), 8546 on Celestrak

View SL-12 R/B(AUX MOTOR), 8546 on Gunter's Space Page

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