Positioning, Navigation, and Timing (PNT) Satellites

Japanese PNT Satellites (QZSS)

2009 – QZSS – Snapshot

The complete constellation is planned to be in place by 2011, though no launches had been conducted by the end of 2009. Japan’s Quasi-Zenith Satellite System (QZSS) will consist of ## GEO satellites operating over Japan and surrounding areas. While these satellites are geosynchronous, orbiting the Earth once per day, they are not stationary as are FSS satellites. They are inclined-GEO satellites, meaning that they move in a north-south “figure eight” pattern as observed from a single point on the Earth.

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