Norad ID: 612
| Spacetrack Directory Name | GRS |
| Orbit launches |
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| Deorbitation date |
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| Days in orbit | 7474 |
| Country/organisation of origin | USA (US) |
| Starting point | WLPIS (Wallops Island) |
GRS, 612 was a payload satellite owned by AFCRL (US) that was launched on Fri, 28 Jun 1963 UTC via an SCOUT X-4 launch vehicle from the Wallops Island (WLPIS). 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.