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: 14 hours ago
TLE from 14 hours ago
0 COSMOS 2168
1 21782U 91077D 25260.87596365 .00000015 00000-0 24453-4 0 9996
2 21782 82.6000 27.2439 0012579 285.7202 192.0456 12.65523924563353Epoch: 2025-09-17T21:01Z
TLE epoch observation values (Epoch: 2025-09-17T21:01:23.259Z)
Latitude
61.45633°
Longitude
-118.8931°
Altitude
1,420.269 km
Speed
7.152 km/s
True Right ascension
12h 53m 59s
True Declination
61° 19' 27"
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
03:23:19
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,407.323 km
Perigee altitude
1,387.761 km
Semi-major axis
7,775.679 km
Eccentricity
0.00126
Inclination
82.6°
RAAN
27.2439°
Arg. of periapsis
285.7202°
True anomaly
192.01556°
Mean anomaly
192.0456°
Eccentric anomaly
192.03058°
Mean motion
3.16545 °/min
Orbital period
113.73 mins
BSTAR
0.000024453
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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 | 2025-09-18 19:46:23.492Z | 1.217° NNE | 2025-09-18 19:54:23.492Z | 85.068° E | 39.563° | 2025-09-18 20:01:23.492Z | 153.187° SSE |
| 11 mins | 2025-09-18 21:43:23.492Z | 322.661° NNW | 2025-09-18 21:48:23.492Z | 275.42° WNW | 26.169° | 2025-09-18 21:54:23.492Z | 223.94° SW |
| 14 mins | 2025-09-19 08:33:23.492Z | 160.962° S | 2025-09-19 08:39:23.492Z | 99.758° ESE | 39.119° | 2025-09-19 08:47:23.492Z | 17.016° NNE |
| 4 mins | 2025-09-19 10:29:23.492Z | 238.399° WSW | 2025-09-19 10:33:23.492Z | 272.263° WNW | 25.981° | 2025-09-19 10:33:23.492Z | 272.263° WNW |
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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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