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COSMOS 2090, 20735

Orbit data source: Space-Track

COSMOS 2090, 20735 is a payload satellite owned by UNKS (CIS) in LEO that was launched on Wed, 08 Aug 1990 UTC via a TSIKLON-3 launch vehicle from the Plesetsk Missile And Space Complex (PKMTR). Payloads include a variety of satellites, spacecraft, and rockets 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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COSMOS 2090 details
Identifier
20735, 1990-070A
Orbit
LEO
Last TLE update16 hours ago
Origin
Flag of CISUNKS (CIS)
ManufacturerNPO PM
MissionDefense Communications
Bus & MotorSTRELA-3, Unknown motor
Mass225 kg wet, 225 kg dry
Launch date (UTC)
1990-08-08 (35 years ago)
Launch vehicle
TSIKLON-3
Launch site
Plesetsk Missile And Space Complex (PKMTR)
Object type
Payload
Rocket body
Debris
Shape & HBRCyl, 1.6 m
Radar Cross Section1.257 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 16 hours ago
0 COSMOS 2090
1 20735U 90070A   25037.92337543  .00000059  00000-0  25900-3 0  9999
2 20735  82.5628 230.4910 0015007 111.3928   7.2596 12.65346299593291
Epoch: 2025-02-06T22:09Z
Definitive object data (Epoch: 2025-02-06T22:09:39.637Z)
Latitude60.54438°
Longitude-72.51411°
Altitude1,399.65 km
Speed7.171 km/s
True Right ascension02h 28m 46s
True Declination60° 24' 33"
Sunlit
Object was in daylight at TLE epoch
Visualization TLE readout
Latitude-63.72354°
Longitude-44.38782°
Altitude1,433.491 km
Speed7.14 km/s
Apparent Right ascension04h 15m 37s
Apparent Declination-52° 53' 13"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time16:11:37
Azimuth182.688° SSW
Elevation-77.011°
Doppler factor1
Orbital elements
Apogee altitude1,409.942 km
Perigee altitude1,386.602 km
Semi-major axis7,776.409 km
Eccentricity0.0015007
Inclination82.5628°
RAAN230.491°
Arg. of periapsis111.3928°
True anomaly7.28137°
Mean anomaly7.2596°
Eccentric anomaly7.27048°
Mean motion3.16501 °/min
BSTAR0.000259
Orbital period113.74 mins
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COSMOS 2090 Visibility forecast

Observer location: undefined°, undefined

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.
13 mins2025-02-07 14:44:19.028Z232.405° WSW2025-02-07 14:50:19.028Z284.142° WNW27.401°2025-02-07 14:57:19.028Z347.194° N
10 mins2025-02-07 22:50:19.028Z28.413° NE2025-02-07 22:54:19.028Z61.552° ENE19.07°2025-02-07 23:00:19.028Z109.438° ESE
15 mins2025-02-08 00:43:19.028Z349.604° N2025-02-08 00:50:19.028Z270.909° WNW44.57°2025-02-08 00:58:19.028Z180.12° SSW
5 mins2025-02-08 02:41:19.028Z302.022° NW2025-02-08 02:43:19.028Z286.834° WNW13.091°2025-02-08 02:46:19.028Z263.991° W
9 mins2025-02-08 11:38:19.028Z112.161° ESE2025-02-08 11:42:19.028Z79.736° E17.895°2025-02-08 11:47:19.028Z40.71° NE
15 mins2025-02-08 13:29:19.028Z190.816° SSW2025-02-08 13:36:19.028Z304.898° NW44.566°2025-02-08 13:44:19.028Z5.905° NNE
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