DSCS-3 B14 - Norad ID: 21873
| Spacetrack Directory Name | USA 78 |
| Alternative name | DSCS-3 B14 |
| Orbit launches |
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| Deorbitation |
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| Country/organisation of origin | USA (US) |
| Starting point | AFETR (Kennedy Space Center/Cape Canaveral, USA) |
| Perigee | 36104 km |
| Apogee | 36167 km |
USA 78, 21873 is an American payload satellite in GEO that was launched on Tue, 11 Feb 1992 UTC via an ATLAS II 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.
satellite USA 78 Date of exalting 11.02.1992y.