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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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: 12 hours ago
TLE from 12 hours ago
0 COSMOS 2168
1 21782U 91077D 26126.10505910 .00000035 00000-0 13078-3 0 9992
2 21782 82.5972 239.8164 0014694 119.6441 53.6296 12.65530624592470Epoch: 2026-05-06T02:31Z
TLE epoch observation values (Epoch: 2026-05-06T02:31:17.106Z)
Latitude
6.46399°
Longitude
157.18551°
Altitude
1,395.563 km
Speed
7.166 km/s
True Right ascension
03h 55m 54s
True Declination
6° 25' 44"
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
22:22:25
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,408.941 km
Perigee altitude
1,386.09 km
Semi-major axis
7,775.652 km
Eccentricity
0.00147
Inclination
82.5972°
RAAN
239.8164°
Arg. of periapsis
119.6441°
True anomaly
53.76533°
Mean anomaly
53.6296°
Eccentric anomaly
53.69745°
Mean motion
3.16547 °/min
Orbital period
113.73 mins
BSTAR
0.00013078
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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. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2026-05-06 17:25:03.972Z | 31.028° NE | 2026-05-06 17:29:03.972Z | 61.416° ENE | 14.514° | 2026-05-06 17:33:03.972Z | 91.806° ESE |
| 15 mins | 2026-05-06 19:18:03.972Z | 355.216° N | 2026-05-06 19:25:03.972Z | 72.311° E | 44.579° | 2026-05-06 19:33:03.972Z | 169.611° S |
| 8 mins | 2026-05-06 21:15:03.972Z | 312.015° NW | 2026-05-06 21:19:03.972Z | 278.601° WNW | 17.993° | 2026-05-06 21:23:03.972Z | 246.407° WSW |
| 5 mins | 2026-05-07 06:15:03.972Z | 93.991° ESE | 2026-05-07 06:17:03.972Z | 78.913° E | 13.021° | 2026-05-07 06:20:03.972Z | 56.173° ENE |
| 14 mins | 2026-05-07 08:04:03.972Z | 178.724° S | 2026-05-07 08:11:03.972Z | 65.352° ENE | 44.37° | 2026-05-07 08:18:03.972Z | 10.404° NNE |
| 10 mins | 2026-05-07 10:02:03.972Z | 258.353° W | 2026-05-07 10:06:03.972Z | 291.786° WNW | 19.336° | 2026-05-07 10:12:03.972Z | 339.547° N |
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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