Norad ID: 63596
| Spacetrack Directory Name | USA 521 |
| Orbit launches |
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| Deorbitation |
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| Country/organisation of origin | USA (US) |
| Starting point | AFWTR (Vandenberg Air Force Base, USA) |
| Perigee | 1101 km |
| Apogee | 1126 km |
USA 521, 63596 is a payload satellite owned by NRO (US) that was launched on Wed, 16 Apr 2025 UTC via an MINOTAUR IV launch vehicle from the Air Force Western Test Range (AFWTR). 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.
satellite USA 521 Date of exalting 16.04.2025y.