SL-12 R/B(AUX MOTOR), 4789

Orbit data source: Space-Track

SL-12 R/B(AUX MOTOR), 4789 is space debris in LEO originally from a launch on Wed, 02 Dec 1970 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/4789?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

4789, 1970-103B

Orbit

LEO

Country

CIS

Related business

Russian Strategic Rocket Forces (RU)

Manufacturer

TsKBEM

Mission

Spacecraft

Bus & Motor

SOZ, Unknown motor

Mass

Wet unknown, ~60 kg dry

Launch date (UTC)

1970-12-02 (55 years ago)

Launch vehicle

Unknown

Launch site

Tyuratam Missile And Space Complex (TTMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown

Radar Cross Section

Medium (>0.1 m² and <1 m²)

Expand to show TLE details & history
Last TLE update: 13 hours ago

TLE from 13 hours ago

0 SL-12 R/B(AUX MOTOR)
1 04789U 70103B   26074.86419304 -.00000050  00000-0 -45862-3 0  9998
2 04789  51.5910 303.4495 1797973 114.0687 338.5996  9.06816651831220

Epoch: 2026-03-15T20:44Z

TLE epoch observation values (Epoch: 2026-03-15T20:44:26.278Z)

Latitude

51.22538°

Longitude

-101.95458°

Altitude

1,770.721 km

Speed

7.545 km/s

True Right ascension

01h 30m 28s

True Declination

51° 04' 42"

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

14:11:17

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

5,082.621 km

Perigee altitude

1,589.456 km

Semi-major axis

9,714.175 km

Eccentricity

0.1798

Inclination

51.591°

RAAN

303.4495°

Arg. of periapsis

114.0687°

True anomaly

329.16335°

Mean anomaly

338.5996°

Eccentric anomaly

334.0998°

Mean motion

2.26691 °/min

Orbital period

158.81 mins

BSTAR

-0.00045862

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Other satellites on launch #103 in the year 1970 (1970-12-02 UTC)

COSMOS 382, 4786

SL-12 PLAT, 6072 (Decayed)

COSMOS 382 DEB, 37784

SL-12 R/B(2), 5316 (Decayed)

SL-12 R/B(AUX MOTOR), 4790

SL-12 DEB, 12854 (Decayed)

SL-12 R/B(1), 5326 (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.
20 mins	2026-03-16 14:43:47.609Z	160.505° S	2026-03-16 14:55:47.609Z	121.266° SE	19.244°	2026-03-16 15:03:47.609Z	84.045° E
26 mins	2026-03-16 17:26:47.609Z	218.323° SW	2026-03-16 17:42:47.609Z	154.304° SSE	43.929°	2026-03-16 17:52:47.609Z	55.906° ENE
19 mins	2026-03-16 20:20:47.609Z	273.131° WNW	2026-03-16 20:31:47.609Z	348.485° N	36.76°	2026-03-16 20:39:47.609Z	57.214° ENE
16 mins	2026-03-16 23:12:47.609Z	307.977° NW	2026-03-16 23:20:47.609Z	26.269° NE	39.283°	2026-03-16 23:28:47.609Z	98.66° ESE
16 mins	2026-03-17 02:00:47.609Z	292.515° NW	2026-03-17 02:06:47.609Z	235.79° WSW	35.133°	2026-03-17 02:16:47.609Z	161.293° S

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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), 4789 on other resources

View SL-12 R/B(AUX MOTOR), 4789 on Heavens-Above

View SL-12 R/B(AUX MOTOR), 4789 on Keep Track

View SL-12 R/B(AUX MOTOR), 4789 on Celestrak

View SL-12 R/B(AUX MOTOR), 4789 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), 4789

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 13 hours ago

TLE from 13 hours ago

TLE epoch observation values (Epoch: 2026-03-15T20:44:26.278Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #103 in the year 1970 (1970-12-02 UTC)

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

Co-orbital & Co-planar RSOs

Check out SL-12 R/B(AUX MOTOR), 4789 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 13 hours ago