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 25259.14902096 .00000032 00000-0 11594-3 0 9996
2 21782 82.5997 28.3494 0012598 290.0125 243.9367 12.65523898563137Epoch: 2025-09-16T03:34Z
TLE epoch observation values (Epoch: 2025-09-16T03:34:35.41Z)
Latitude
6.05501°
Longitude
158.57288°
Altitude
1,406.699 km
Speed
7.155 km/s
True Right ascension
13h 50m 15s
True Declination
6° 01' 19"
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
09:53:43
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,407.338 km
Perigee altitude
1,387.747 km
Semi-major axis
7,775.68 km
Eccentricity
0.00126
Inclination
82.5997°
RAAN
28.3494°
Arg. of periapsis
290.0125°
True anomaly
243.80711°
Mean anomaly
243.9367°
Eccentric anomaly
243.87189°
Mean motion
3.16545 °/min
Orbital period
113.73 mins
BSTAR
0.00011594
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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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2025-09-16 18:28:35.551Z | 34.794° NE | 2025-09-16 18:31:35.551Z | 56.995° ENE | 13.466° | 2025-09-16 18:35:35.551Z | 86.865° E |
| 14 mins | 2025-09-16 20:21:35.551Z | 357.48° N | 2025-09-16 20:28:35.551Z | 102.154° ESE | 43.849° | 2025-09-16 20:35:35.551Z | 165.87° S |
| 10 mins | 2025-09-16 22:17:35.551Z | 316.757° NNW | 2025-09-16 22:21:35.551Z | 284.038° WNW | 19.765° | 2025-09-16 22:27:35.551Z | 236.408° WSW |
| 15 mins | 2025-09-17 09:06:35.551Z | 175.526° S | 2025-09-17 09:13:35.551Z | 100.736° ESE | 43.829° | 2025-09-17 09:21:35.551Z | 11.577° NNE |
| 10 mins | 2025-09-17 11:04:35.551Z | 253.686° W | 2025-09-17 11:09:35.551Z | 297.217° NW | 20.936° | 2025-09-17 11:14:35.551Z | 337.933° N |
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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