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: 9 hours ago
TLE from 9 hours ago
0 COSMOS 2168
1 21782U 91077D 25342.46340797 .00000021 00000-0 54641-4 0 9997
2 21782 82.5966 335.0134 0014754 98.4677 16.7406 12.65526605573679Epoch: 2025-12-08T11:07Z
TLE epoch observation values (Epoch: 2025-12-08T11:07:18.448Z)
Latitude
63.8319°
Longitude
-104.53148°
Altitude
1,400.184 km
Speed
7.171 km/s
True Right ascension
09h 19m 01s
True Declination
63° 42' 24"
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
18:41:25
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,409.004 km
Perigee altitude
1,386.059 km
Semi-major axis
7,775.669 km
Eccentricity
0.00148
Inclination
82.5966°
RAAN
335.0134°
Arg. of periapsis
98.4677°
True anomaly
16.78938°
Mean anomaly
16.7406°
Eccentric anomaly
16.76498°
Mean motion
3.16546 °/min
Orbital period
113.73 mins
BSTAR
0.000054641
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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. |
|---|---|---|---|---|---|---|---|
| 15 mins | 2025-12-08 23:52:30.197Z | 167.421° S | 2025-12-09 00:00:30.197Z | 89.623° E | 40.558° | 2025-12-09 00:07:30.197Z | 16.812° NNE |
| 11 mins | 2025-12-09 01:50:30.197Z | 242.853° WSW | 2025-12-09 01:55:30.197Z | 289.25° WNW | 25.368° | 2025-12-09 02:01:30.197Z | 342.692° N |
| 11 mins | 2025-12-09 09:54:30.197Z | 23.776° NE | 2025-12-09 09:59:30.197Z | 65.968° ENE | 20.903° | 2025-12-09 10:05:30.197Z | 114.288° SE |
| 14 mins | 2025-12-09 11:48:30.197Z | 347.157° N | 2025-12-09 11:55:30.197Z | 241.722° WSW | 43.528° | 2025-12-09 12:02:30.197Z | 184.346° SSW |
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 |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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