COSMOS 2168, 21782
Orbit data source: Space-Track
COSMOS 2168, 21782 is a payload satellite owned by UNKS RF (CIS) in LEO that was launched on Tue, 12 Nov 1991 UTC via a TSIKLON-3 launch vehicle from the Plesetsk Missile And Space Complex (PKMTR). Payload-class satellites include a variety of spacecraft equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.
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21782 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
CISRelated business
Manufacturer
NPO PM
Mission
Defense Communications
Bus & Motor
STRELA-3, Unknown motor
Mass
225 kg wet, 225 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Cyl, 0.8 m
Radar Cross Section
1.257 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 1 day ago
TLE from 1 day ago
0 COSMOS 2168
1 21782U 91077D 25315.17704575 .00000014 00000-0 15369-4 0 9999
2 21782 82.5989 352.4894 0014181 157.2577 266.3877 12.65525678570229Epoch: 2025-11-11T04:14Z
TLE epoch observation values (Epoch: 2025-11-11T04:14:56.752Z)
Latitude
62.62682°
Longitude
-107.35795°
Altitude
1,411.645 km
Speed
7.16 km/s
True Right ascension
00h 27m 47s
True Declination
62° 29' 53"
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
01:32:53
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,408.562 km
Perigee altitude
1,386.509 km
Semi-major axis
7,775.672 km
Eccentricity
0.00142
Inclination
82.5989°
RAAN
352.4894°
Arg. of periapsis
157.2577°
True anomaly
266.22554°
Mean anomaly
266.3877°
Eccentric anomaly
266.30662°
Mean motion
3.16546 °/min
Orbital period
113.73 mins
BSTAR
0.000015369
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Other satellites on launch #77 in the year 1991 (1991-11-12 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.COSMOS 2168 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. |
|---|---|---|---|---|---|---|---|
| 11 mins | 2025-11-12 12:47:00.281Z | 20° NNE | 2025-11-12 12:53:00.281Z | 68.936° E | 20.411° | 2025-11-12 12:58:00.281Z | 109.809° ESE |
| 14 mins | 2025-11-12 14:42:00.281Z | 347.404° N | 2025-11-12 14:48:00.281Z | 282.871° WNW | 43.92° | 2025-11-12 14:56:00.281Z | 183.13° SSW |
| 4 mins | 2025-11-12 16:40:00.281Z | 295.757° NW | 2025-11-12 16:41:00.281Z | 288.278° WNW | 11.838° | 2025-11-12 16:44:00.281Z | 266.121° W |
| 9 mins | 2025-11-13 01:36:00.281Z | 114.088° SE | 2025-11-13 01:40:00.281Z | 80.511° E | 19.435° | 2025-11-13 01:45:00.281Z | 40.247° NE |
| 15 mins | 2025-11-13 03:27:00.281Z | 193.986° SSW | 2025-11-13 03:34:00.281Z | 291.51° WNW | 44.093° | 2025-11-13 03:42:00.281Z | 4.63° NNE |
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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