Norad ID: 20946
| Nazwa w katalogu Spacetrack | GSTAR 4 |
| Wyniesienie na orbitę |
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| Deorbitacja |
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| Kraj/organizacja pochodzenia | USA (US) |
| Miejsce startu | FRGUI (Guiana Space Centre, French Guiana) |
| Perygeum | 36062 km |
| Apogeum | 36148 km |
GSTAR 4, 20946 is a payload satellite owned by GTE (US) in GEO that was launched on Tue, 20 Nov 1990 UTC via an ARIANE 42P launch vehicle from the French Guiana (FRGUI). 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.
Satelitę GSTAR 4 wyniesiono 20.11.1990r.