Planned future satellite projects using the K a -band include Amazon 's Project Kuiper satellite internet constellation in LEO, SES 's multi-orbit satellite internet system of the SES-17 satellite in GEO (launched in October 2021; in position and fully operational in June 2022) and the O3b mPOWER constellation in MEO (first two satellites launched December 2022, nine more 2023-2024, and starting service in Q3 2023).