SL-3 R/B, 12586
Orbit data source: Space-Track
SL-3 R/B, 12586 is space debris in SSO originally from a launch on Fri, 10 Jul 1981 UTC launched from the Tyuratam Missile And Space Complex (TTMTR). 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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12586 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
Unknown
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 12586U 81065B 26136.56699989 .00006181 00000-0 18820-3 0 9999
2 12586 97.6217 181.0351 0013297 118.5652 241.6930 15.34297085445366Epoch: 2026-05-16T13:36Z
TLE epoch observation values (Epoch: 2026-05-16T13:36:28.790Z)
Latitude
-0.00005°
Longitude
102.63303°
Altitude
470.437 km
Speed
7.628 km/s
True Right ascension
12h 04m 08s
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
07:05:37
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
469.058 km
Perigee altitude
450.873 km
Semi-major axis
6,838.102 km
Eccentricity
0.00133
Inclination
97.6217°
RAAN
181.0351°
Arg. of periapsis
118.5652°
True anomaly
241.55895°
Mean anomaly
241.693°
Eccentric anomaly
241.62597°
Mean motion
3.83831 °/min
Orbital period
93.79 mins
BSTAR
0.0001882
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Other satellites on launch #65 in the year 1981 (1981-07-10 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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-05-17 02:16:31.188Z | 119.237° SE | 2026-05-17 02:18:31.188Z | 80.46° E | 20.55° | 2026-05-17 02:21:31.188Z | 18.436° NNE |
| 4 mins | 2026-05-17 15:14:31.188Z | 62.42° ENE | 2026-05-17 15:15:31.188Z | 88.978° E | 22.954° | 2026-05-17 15:18:31.188Z | 153.616° SSE |
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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