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 26036.21243043 .00000039 00000-0 15222-3 0 9997
2 21782 82.5980 297.3972 0013295 329.6527 186.1736 12.65528226581103Epoch: 2026-02-05T05:05Z
TLE epoch observation values (Epoch: 2026-02-05T05:05:53.989Z)
Latitude
23.9974°
Longitude
-97.74475°
Altitude
1,413.252 km
Speed
7.151 km/s
True Right ascension
07h 36m 23s
True Declination
23° 52' 50"
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
15:33:56
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,407.863 km
Perigee altitude
1,387.187 km
Semi-major axis
7,775.662 km
Eccentricity
0.00133
Inclination
82.598°
RAAN
297.3972°
Arg. of periapsis
329.6527°
True anomaly
186.15724°
Mean anomaly
186.1736°
Eccentric anomaly
186.16542°
Mean motion
3.16546 °/min
Orbital period
113.73 mins
BSTAR
0.00015222
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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 | 2026-02-05 17:38:33.758Z | 171.153° S | 2026-02-05 17:46:33.758Z | 75.502° E | 42.137° | 2026-02-05 17:53:33.758Z | 14.124° NNE |
| 11 mins | 2026-02-05 19:36:33.758Z | 248.085° W | 2026-02-05 19:41:33.758Z | 293.185° NW | 23.193° | 2026-02-05 19:47:33.758Z | 342.855° N |
| 11 mins | 2026-02-06 03:40:33.758Z | 23.788° NE | 2026-02-06 03:45:33.758Z | 68.409° E | 23.329° | 2026-02-06 03:51:33.758Z | 118.336° SE |
| 14 mins | 2026-02-06 05:34:33.758Z | 344.092° N | 2026-02-06 05:40:33.758Z | 279.251° WNW | 42.32° | 2026-02-06 05:48:33.758Z | 188.655° SSW |
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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