USA 57

20561
Spacetrack Directory Number
1990-04-11
Orbit launches


Satellite information USA 57

Spacetrack Directory Name USA 57
Orbit launches 1990-04-11
Deorbitation
Country/organisation of origin USA (US)
Starting point AFWTR (Vandenberg Air Force Base, USA)
Perigee 613 km
Apogee 711 km

Additional information USA 57

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.

satellite USA 57 Date of exalting 11.04.1990y.


Update time: 2025-02-13 21:16:06
USA 57 a new group of Starlink satellites has been launched 1990-04-11