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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Iframe URL

https://www.satcat.com/sats-embedded/12457?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

12457, 1981-043B

Orbit

LEO

Last TLE update

16 hours ago

Origin

Russian Strategic Rocket Forces (CIS)

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 (44 years ago)

Launch vehicle

Unknown

Launch site

Plesetsk Missile And Space Complex (PKMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl, 3.8 m

Radar Cross Section

10.414 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 16 hours ago

0 SL-3 R/B
1 12457U 81043B   25189.89286747 -.00000011  00000-0 -14115-4 0  9991
2 12457  81.2758 155.6912 0063290 148.5506 211.9473 14.07620158266511

Epoch: 2025-07-08T21:25Z

TLE epoch observation values (Epoch: 2025-07-08T21:25:43.749Z)

Latitude

-0°

Longitude

-92.82241°

Altitude

909.425 km

Speed

7.377 km/s

True Right ascension

10h 22m 45s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

-39.80567°

Longitude

93.82609°

Altitude

869.378 km

Speed

7.423 km/s

Apparent Right ascension

18h 57m 50s

Apparent Declination

-63° 49' 29"

Sunlit

Object is in full shadow

Visualization observer readout

Local Sidereal Time

01:59:43

Azimuth

214.75° SW

Elevation

-41.768°

Doppler factor

Orbital elements

Apogee altitude

910.543 km

Perigee altitude

818.863 km

Semi-major axis

7,242.84 km

Eccentricity

0.00633

Inclination

81.2758°

RAAN

155.6912°

Arg. of periapsis

148.5506°

True anomaly

Unknown

Mean anomaly

211.9473°

Eccentric anomaly

Unknown

Mean motion

3.52111 °/min

Orbital period

102.24 mins

BSTAR

-0.000014115

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

METEOR 2-7, 12456

METEOR 2-7 DEB, 45515

METEOR 2-7 DEB, 59993

SL-3 DEB, 15769

SL-3 DEB, 25255

METEOR 2-7 DEB, 28388

METEOR 2-7 DEB, 28389

METEOR 2-7 DEB, 28597 (Decayed)

METEOR 2-7 DEB, 28599 (Decayed)

METEOR 2-7 DEB, 28600 (Decayed)

METEOR 2-7 DEB, 28601 (Decayed)

METEOR 2-7 DEB, 28602

METEOR 2-7 DEB, 35424

METEOR 2-7 DEB, 36875 (Decayed)

SL-3 R/B 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.
8 mins	2025-07-09 21:26:11.210Z	135.171° SSE	2025-07-09 21:30:11.210Z	86.43° E	22.018°	2025-07-09 21:34:11.210Z	38.99° NE
9 mins	2025-07-09 23:09:11.210Z	220.619° SW	2025-07-09 23:13:11.210Z	288.157° WNW	34.493°	2025-07-09 23:18:11.210Z	354.779° N
5 mins	2025-07-10 08:09:11.210Z	41.626° NE	2025-07-10 08:11:11.210Z	67.04° ENE	16.345°	2025-07-10 08:14:11.210Z	103.034° ESE
9 mins	2025-07-10 09:51:11.210Z	337.733° N	2025-07-10 09:55:11.210Z	251.457° W	40.001°	2025-07-10 10:00:11.210Z	187.571° SSW

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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

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