Norad ID: 20561
| Nazwa w katalogu Spacetrack | USA 57 |
| Wyniesienie na orbitę |
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| Deorbitacja |
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| Kraj/organizacja pochodzenia | USA (US) |
| Miejsce startu | AFWTR (Vandenberg Air Force Base, USA) |
| Perygeum | 613 km |
| Apogeum | 711 km |
USA 57, 20561 is a payload satellite owned by USAF SSD (US) in LEO that was launched on Wed, 11 Apr 1990 UTC via an ATLAS E ALTAIR launch vehicle from the Air Force Western Test Range (AFWTR). 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 USA 57 wyniesiono 11.04.1990r.