SL-8 DEB, 21167
Orbit data source: Space-Track
SL-8 DEB, 21167 is space debris in LEO originally from a launch on Tue, 12 Feb 1991 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
21167 intel report (Beta)
Focus sentinelFocus sentinel
Edit Public Description
Focus sentinelFocus sentinel
Create New Watchlist
Expand to show TLE details & historyLast TLE update: 6 hours ago
TLE from 6 hours ago
0 SL-8 DEB
1 21167U 91009AE 26070.93189258 .00000006 00000-0 18011-3 0 9996
2 21167 73.9126 258.6556 0137481 246.0642 273.1767 12.29322809571433Epoch: 2026-03-11T22:21Z
TLE epoch observation values (Epoch: 2026-03-11T22:21:55.518Z)
Latitude
21.43018°
Longitude
-72.88265°
Altitude
1,549.744 km
Speed
7.096 km/s
True Right ascension
04h 48m 45s
True Declination
21° 19' 31"
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
08:59:33
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,659.057 km
Perigee altitude
1,441.062 km
Semi-major axis
7,928.197 km
Eccentricity
0.01375
Inclination
73.9126°
RAAN
258.6556°
Arg. of periapsis
246.0642°
True anomaly
271.6024°
Mean anomaly
273.1767°
Eccentric anomaly
272.38968°
Mean motion
3.07455 °/min
Orbital period
117.09 mins
BSTAR
0.00018011
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 #9 in the year 1991 (1991-02-12 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-8 DEB 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 | 2026-03-12 11:20:38.335Z | 97.993° ESE | 2026-03-12 11:22:38.335Z | 85.368° E | 11.441° | 2026-03-12 11:24:38.335Z | 72.696° E |
| 17 mins | 2026-03-12 13:12:38.335Z | 181.373° SSW | 2026-03-12 13:20:38.335Z | 97.813° ESE | 42.737° | 2026-03-12 13:29:38.335Z | 24.432° NE |
| 15 mins | 2026-03-12 15:13:38.335Z | 249.147° W | 2026-03-12 15:20:38.335Z | 302.707° NW | 27.685° | 2026-03-12 15:28:38.335Z | 2.785° NNE |
| 10 mins | 2026-03-12 21:32:38.335Z | 13.191° NNE | 2026-03-12 21:37:38.335Z | 49.967° ENE | 18.496° | 2026-03-12 21:42:38.335Z | 85.241° E |
| 16 mins | 2026-03-12 23:30:38.335Z | 343.941° N | 2026-03-12 23:38:38.335Z | 75.914° E | 44.423° | 2026-03-12 23:46:38.335Z | 156.189° SSE |
| 11 mins | 2026-03-13 01:31:38.335Z | 309.292° NW | 2026-03-13 01:36:38.335Z | 272.981° WNW | 20.658° | 2026-03-13 01:42:38.335Z | 227.958° WSW |
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 |
|---|