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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Identifier
12457, 1981-043B
Orbit
LEO
Last TLE update
16 hours ago
Origin
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
1
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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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 mins2025-07-09 21:26:11.210Z135.171° SSE2025-07-09 21:30:11.210Z86.43° E22.018°2025-07-09 21:34:11.210Z38.99° NE
9 mins2025-07-09 23:09:11.210Z220.619° SW2025-07-09 23:13:11.210Z288.157° WNW34.493°2025-07-09 23:18:11.210Z354.779° N
5 mins2025-07-10 08:09:11.210Z41.626° NE2025-07-10 08:11:11.210Z67.04° ENE16.345°2025-07-10 08:14:11.210Z103.034° ESE
9 mins2025-07-10 09:51:11.210Z337.733° N2025-07-10 09:55:11.210Z251.457° W40.001°2025-07-10 10:00:11.210Z187.571° SSW
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