SL-3 R/B, 12457

Orbit data source: Space-Track

SL-3 R/B, 12457 is space debris in LEO originally from a launch on Thu, 14 May 1981 UTC launched from the Plesetsk Missile And Space Complex (PKMTR). 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/12457?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

12457, 1981-043B

Orbit

LEO

Country

CIS

Related business

Russian Strategic Rocket Forces (RU)

Manufacturer

Progress

Mission

Spacecraft

Bus & Motor

BLOK-E, Unknown motor

Mass

1,440 kg wet, 1,440 kg dry

Launch date (UTC)

1981-05-14 (45 years ago)

Launch vehicle

Unknown

Launch site

Plesetsk Missile And Space Complex (PKMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

CYL, 1.1 m

Radar Cross Section

Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 11 hours ago

TLE from 11 hours ago

0 SL-3 R/B
1 12457U 81043B   26314.27556191  .00000060  00000-0  27198-4 0  9994
2 12457  81.2720  42.7871 0070700 199.3444 160.5040 14.07669454335360

Epoch: 2026-11-10T06:36Z

TLE epoch observation values (Epoch: 2026-11-10T06:36:48.549Z)

Latitude

-0.00007°

Longitude

-105.85529°

Altitude

918.593 km

Speed

7.368 km/s

True Right ascension

02h 51m 08s

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

14:00:52

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

915.739 km

Perigee altitude

813.328 km

Semi-major axis

7,242.671 km

Eccentricity

0.00707

Inclination

81.272°

RAAN

42.7871°

Arg. of periapsis

199.3444°

True anomaly

160.77215°

Mean anomaly

160.504°

Eccentric anomaly

160.6383°

Mean motion

3.52124 °/min

Orbital period

102.24 mins

BSTAR

0.000027198

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Other satellites on launch #43 in the year 1981 (1981-05-14 UTC)

METEOR 2-7 DEB, 28389

METEOR 2-7, 12456

SL-3 DEB, 25255

METEOR 2-7 DEB, 28601 (Decayed)

METEOR 2-7 DEB, 38288

METEOR 2-7 DEB, 43300

METEOR 2-7 DEB, 101260

METEOR 2-7 DEB, 101261

METEOR 2-7 DEB, 101262

METEOR 2-7 DEB, 43302

METEOR 2-7 DEB, 45515

METEOR 2-7 DEB, 36878

METEOR 2-7 DEB, 43301

METEOR 2-7 DEB, 101263

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SL-3 R/B 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	2026-11-10 19:09:45.877Z	316.191° NNW	2026-11-10 19:13:45.877Z	267.89° W	19.803°	2026-11-10 19:16:45.877Z	232.477° WSW
10 mins	2026-11-11 06:36:45.877Z	175.844° S	2026-11-11 06:41:45.877Z	64.326° ENE	66.282°	2026-11-11 06:46:45.877Z	14.705° NNE
6 mins	2026-11-11 08:22:45.877Z	266.789° W	2026-11-11 08:24:45.877Z	289.306° WNW	16.775°	2026-11-11 08:28:45.877Z	332.215° NNW
9 mins	2026-11-11 17:19:45.877Z	8.764° NNE	2026-11-11 17:23:45.877Z	86.091° E	48.896°	2026-11-11 17:28:45.877Z	151.435° SSE

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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-3 R/B, 12457 on other resources

View SL-3 R/B, 12457 on Heavens-Above

View SL-3 R/B, 12457 on Keep Track

View SL-3 R/B, 12457 on Celestrak

View SL-3 R/B, 12457 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-3 R/B, 12457

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 11 hours ago

TLE from 11 hours ago

TLE epoch observation values (Epoch: 2026-11-10T06:36:48.549Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #43 in the year 1981 (1981-05-14 UTC)

SL-3 R/B Visibility forecast

Co-orbital & Co-planar RSOs

Check out SL-3 R/B, 12457 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 11 hours ago