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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12457 intel report (Beta)
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Identifier
Orbit
Country
CISRelated business
Manufacturer
Progress
Mission
Spacecraft
Bus & Motor
BLOK-E, Unknown motor
Mass
1,440 kg wet, 1,440 kg dry
Launch date (UTC)
Launch vehicle
Unknown
Launch site
Object type
Shape & HBR
CYL, 1.9 m
Radar Cross Section
Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 9 hours ago
TLE from 9 hours ago
0 SL-3 R/B
1 12457U 81043B 26224.43220690 .00000066 00000-0 30725-4 0 9990
2 12457 81.2747 129.6443 0068864 92.6429 268.2626 14.07681280322728Epoch: 2026-08-12T10:22Z
TLE epoch observation values (Epoch: 2026-08-12T10:22:22.676Z)
Latitude
0.00001°
Longitude
13.16359°
Altitude
872.071 km
Speed
7.415 km/s
True Right ascension
08h 38m 34s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
09:32:15
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
914.369 km
Perigee altitude
814.617 km
Semi-major axis
7,242.63 km
Eccentricity
0.00689
Inclination
81.2747°
RAAN
129.6443°
Arg. of periapsis
92.6429°
True anomaly
267.47407°
Mean anomaly
268.2626°
Eccentric anomaly
267.86831°
Mean motion
3.52127 °/min
Orbital period
102.24 mins
BSTAR
0.000030725
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Other satellites on launch #43 in the year 1981 (1981-05-14 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.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. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2026-08-13 05:43:44.447Z | 346.13° N | 2026-08-13 05:47:44.447Z | 239.273° WSW | 44.178° | 2026-08-13 05:52:44.447Z | 178.136° S |
| 5 mins | 2026-08-13 17:13:44.447Z | 113.804° SE | 2026-08-13 17:15:44.447Z | 89.156° E | 16.614° | 2026-08-13 17:18:44.447Z | 52.596° ENE |
| 9 mins | 2026-08-13 18:54:44.447Z | 209.389° SW | 2026-08-13 18:58:44.447Z | 282.464° WNW | 39.242° | 2026-08-13 19:03:44.447Z | 359.129° N |
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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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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