USA 21

17506
Spacetrack Directory Number
1987-02-12
Orbit launches


Satellite information USA 21

Spacetrack Directory Name USA 21
Orbit launches 1987-02-12
Deorbitation
Country/organisation of origin USA (US)
Starting point AFWTR (Vandenberg Air Force Base, USA)
Perigee 1666 km
Apogee 38695 km

Additional information USA 21

USA 21, 17506 is an American payload satellite that was launched on Thu, 12 Feb 1987 UTC via a TITAN 34B 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 21 Date of exalting 12.02.1987y.


Update time: 2025-02-10 16:32:06
USA 21 a new group of Starlink satellites has been launched 1987-02-12