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.
Focus sentinelFocus sentinel
Embed this page
Focus sentinelFocus sentinel
12586 intel report (Beta)
Focus sentinelFocus sentinel
Create New Watchlist
Focus sentinelFocus sentinel
Edit Public Description
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: 12 hours ago
TLE from 12 hours ago
0 SL-3 R/B
1 12586U 81065B 25328.05853469 .00008972 00000-0 29902-3 0 9993
2 12586 97.6486 1.9429 0012966 24.0710 336.1134 15.31264662418782Epoch: 2025-11-24T01:24Z
TLE epoch observation values (Epoch: 2025-11-24T01:24:17.397Z)
Latitude
0°
Longitude
-82.39354°
Altitude
467.015 km
Speed
7.637 km/s
True Right ascension
00h 07m 46s
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
10:53:47
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
477.877 km
Perigee altitude
460.121 km
Semi-major axis
6,847.136 km
Eccentricity
0.0013
Inclination
97.6486°
RAAN
1.9429°
Arg. of periapsis
24.071°
True anomaly
336.05315°
Mean anomaly
336.1134°
Eccentric anomaly
336.08328°
Mean motion
3.83071 °/min
Orbital period
93.98 mins
BSTAR
0.00029902
Loading maneuver chart data...
Computing Atmospheric mass density...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Other satellites on launch #65 in the year 1981 (1981-07-10 UTC)
Did you know?
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
Loading observer location...
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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2025-11-24 14:32:11.380Z | 58.987° ENE | 2025-11-24 14:34:11.380Z | 102.831° ESE | 18.829° | 2025-11-24 14:36:11.380Z | 140.574° SSE |
| 5 mins | 2025-11-25 02:38:11.380Z | 182.604° SSW | 2025-11-25 02:40:11.380Z | 251.235° W | 41.501° | 2025-11-25 02:43:11.380Z | 339.455° N |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in ascending order |
|---|
CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
Authenticating...
Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in ascending order |
|---|