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: 8 hours ago
TLE from 8 hours ago
0 COSMOS 2168
1 21782U 91077D 25312.49986133 .00000035 00000-0 13079-3 0 9991
2 21782 82.5995 354.2037 0014079 163.1913 309.5946 12.65525671569881Epoch: 2025-11-08T11:59Z
TLE epoch observation values (Epoch: 2025-11-08T11:59:48.018Z)
Latitude
66.30011°
Longitude
-70.79815°
Altitude
1,404.683 km
Speed
7.167 km/s
True Right ascension
10h 28m 19s
True Declination
66° 11' 02"
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
16:39:23
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,408.483 km
Perigee altitude
1,386.588 km
Semi-major axis
7,775.672 km
Eccentricity
0.00141
Inclination
82.5995°
RAAN
354.2037°
Arg. of periapsis
163.1913°
True anomaly
309.47014°
Mean anomaly
309.5946°
Eccentric anomaly
309.53238°
Mean motion
3.16546 °/min
Orbital period
113.73 mins
BSTAR
0.00013079
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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. |
|---|---|---|---|---|---|---|---|
| 14 mins | 2025-11-09 02:40:46.143Z | 149.464° SSE | 2025-11-09 02:47:46.143Z | 83.8° E | 32.483° | 2025-11-09 02:54:46.143Z | 23.039° NE |
| 14 mins | 2025-11-09 04:35:46.143Z | 221.233° SW | 2025-11-09 04:41:46.143Z | 278.65° WNW | 33.722° | 2025-11-09 04:49:46.143Z | 354.399° N |
| 6 mins | 2025-11-09 12:43:46.143Z | 44.157° NE | 2025-11-09 12:45:46.143Z | 59.927° ENE | 14.026° | 2025-11-09 12:49:46.143Z | 90.131° ESE |
| 14 mins | 2025-11-09 14:35:46.143Z | 356.783° N | 2025-11-09 14:41:46.143Z | 59.66° ENE | 44.277° | 2025-11-09 14:49:46.143Z | 168.233° S |
| 9 mins | 2025-11-09 16:31:46.143Z | 313.682° NW | 2025-11-09 16:35:46.143Z | 280.303° WNW | 18.63° | 2025-11-09 16:40:46.143Z | 240.77° WSW |
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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