Norad ID: 18009
| Spacetrack Directory Name | USA 23 |
| 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 | 383 km |
| Apogee | 1788 km |
USA 23, 18009 is an American payload satellite in LEO that was launched on Fri, 15 May 1987 UTC via an ATLAS H 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.
satellite USA 23 Date of exalting 15.05.1987y.