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

19 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 19 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

-17.52474°

Longitude

-96.33711°

Altitude

918.36 km

Speed

7.369 km/s

Apparent Right ascension

12h 32m 09s

Apparent Declination

-36° 49' 18"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

04:17:30

Azimuth

104.714° ESE

Elevation

-46.459°

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.
7 mins	2025-07-09 21:26:35.568Z	132° SE	2025-07-09 21:29:35.568Z	95.785° ESE	21.806°	2025-07-09 21:33:35.568Z	43.546° NE
9 mins	2025-07-09 23:08:35.568Z	217.257° SW	2025-07-09 23:12:35.568Z	271.205° WNW	34.131°	2025-07-09 23:17:35.568Z	352.076° N
5 mins	2025-07-10 08:09:35.568Z	46.339° ENE	2025-07-10 08:11:35.568Z	72.533° E	16.248°	2025-07-10 08:14:35.568Z	106.716° ESE
8 mins	2025-07-10 09:51:35.568Z	335.835° NNW	2025-07-10 09:54:35.568Z	280.623° WNW	39.927°	2025-07-10 09:59:35.568Z	189.04° 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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