COSMOS 1285 DEB, 13961
Orbit data source: Space-Track
COSMOS 1285 DEB, 13961 is space debris in HEO originally from a launch on Tue, 04 Aug 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
13961 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
Unknown
Mission
Spacecraft
Bus & Motor
Unknown
Mass
Unknown
Launch date (UTC)
Launch vehicle
Unknown
Launch site
Object type
Shape & HBR
Unknown shape, 1.1 m
Radar Cross Section
Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 6 days ago
TLE from 6 days ago
0 COSMOS 1285 DEB
1 13961U 81071F 26258.24125028 .00000071 00000-0 00000-0 0 9992
2 13961 70.8568 72.9719 5480636 334.2252 6.3956 1.98124209324064Epoch: 2026-09-15T05:47Z
TLE epoch observation values (Epoch: 2026-09-15T05:47:24.024Z)
Latitude
-0.00002°
Longitude
-8.08529°
Altitude
6,167.344 km
Speed
6.976 km/s
True Right ascension
04h 51m 53s
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
00:46:20
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
35,074.335 km
Perigee altitude
5,723.356 km
Semi-major axis
26,776.983 km
Eccentricity
0.54806
Inclination
70.8568°
RAAN
72.9719°
Arg. of periapsis
334.2252°
True anomaly
25.57668°
Mean anomaly
6.3956°
Eccentric anomaly
13.9837°
Mean motion
0.49534 °/min
Orbital period
726.78 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 #71 in the year 1981 (1981-08-04 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.COSMOS 1285 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. |
|---|---|---|---|---|---|---|---|
| 52 mins | 2026-09-21 07:46:00.115Z | 50.373° ENE | 2026-09-21 08:07:00.115Z | 30.855° NE | 13.021° | 2026-09-21 08:38:00.115Z | 14.147° NNE |
| 465 mins | 2026-09-21 20:02:00.115Z | 319.62° NNW | 2026-09-21 23:10:00.115Z | 301.337° NW | 79.809° | 2026-09-22 03:47:00.115Z | 244.971° 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 |
|---|