GPS BII-06, SVN 18 - Norad ID: 20452
| Nazwa w katalogu Spacetrack | NAVSTAR 18 (USA 50) |
| Alternatywna nazwa | GPS BII-06, SVN 18 |
| Wyniesienie na orbitę |
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| Deorbitacja |
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| Kraj/organizacja pochodzenia | USA (US) |
| Miejsce startu | AFETR (Kennedy Space Center/Cape Canaveral, USA) |
| Perygeum | 21161 km |
| Apogeum | 21232 km |
NAVSTAR 18 (USA 50), 20452 is a payload satellite owned by USAF SSD (US) in MEO that was launched on Wed, 24 Jan 1990 UTC via a DELTA 6925 launch vehicle from the Air Force Eastern Test Range (AFETR). 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.
Satelitę NAVSTAR 18 (USA 50) wyniesiono 24.01.1990r.