QZSS (Quasi Zenith Satellite System) is a Japanese satellite navigation system operating from inclined, elliptical geosynchronous orbits to achieve optimal high-elevation visibility in urban canyons and mountainous areas. The navigation system objective is to broadcast GPS-interoperable and augmentation signals as well as original Japanese (QZSS) signals from a three-spacecraft constellation. The navigation system objective is to broadcast GPS-interoperable and augmentation signals as well as original Japanese (QZSS) signals from a three-spacecraft constellation in inclined, elliptical geosynchronous orbits.

| Full name | H3-22 |
| Family | H3 |
| Name | H3-22 |
| Variant | 22 |
| Length | 63 m |
| Maiden flight | 2023 |
| Name | Mitsubishi Heavy Industries |
| Country | JPN |
| Founded | 1884 |