SL-6 R/B(2), 12384
Orbit data source: Space-Track
SL-6 R/B(2), 12384 is space debris in HEO originally from a launch on Tue, 31 Mar 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.
Focus sentinelFocus sentinel
Request partner network tasking
Focus sentinelFocus sentinel
Embed this page
Focus sentinelFocus sentinel
12384 intel report (Beta)
Focus sentinelFocus sentinel
Edit Public Description
Focus sentinelFocus sentinel
Edit Sat Name
Focus sentinelFocus sentinel
Create New Watchlist
Identifier
Orbit
Country
CISRelated business
Manufacturer
NPO Energiya
Mission
Spacecraft
Bus & Motor
BLOK-L, Unknown motor
Mass
~900 kg wet, ~900 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: 15 hours ago
TLE from 15 hours ago
0 SL-6 R/B(2)
1 12384U 81031D 26132.66308587 -.00000073 00000-0 00000-0 0 9999
2 12384 67.8823 72.1126 6124275 359.7770 359.9155 2.03532687335394Epoch: 2026-05-12T15:54Z
TLE epoch observation values (Epoch: 2026-05-12T15:54:50.619Z)
Latitude
0.00042°
Longitude
-37.03888°
Altitude
3,799.773 km
Speed
7.949 km/s
True Right ascension
04h 48m 25s
True Declination
0° 00' 01"
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
15:25:40
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
36,029.438 km
Perigee altitude
3,815.196 km
Semi-major axis
26,300.454 km
Eccentricity
0.61243
Inclination
67.8823°
RAAN
72.1126°
Arg. of periapsis
359.777°
True anomaly
359.5553°
Mean anomaly
359.9155°
Eccentric anomaly
359.78198°
Mean motion
0.50886 °/min
Orbital period
707.46 mins
BSTAR
0
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 #31 in the year 1981 (1981-03-31 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-6 R/B(2) 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. |
|---|---|---|---|---|---|---|---|
| 280 mins | 2026-05-13 07:01:55.842Z | 148.412° SSE | 2026-05-13 07:01:55.842Z | 148.412° SSE | 43.004° | 2026-05-13 11:41:55.842Z | 221.756° SW |
| 196 mins | 2026-05-14 03:45:55.842Z | 315.77° NNW | 2026-05-14 05:45:55.842Z | 97.235° ESE | 42.819° | 2026-05-14 07:01:55.842Z | 151.197° SSE |
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 descending 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 descending order |
|---|