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.
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Cosmic_Penguin
1/9/2024, 2:30:05 PM
Tweaked approximate launch date per launch manifest (P.129 of source).
More Info →Cosmic_Penguin
12/3/2025, 1:27:00 PM
Launch delayed due to problems with the Inertial Measurement Unit (IMU) on the H3 2nd stage, new launch date TBD.
More Info →12/22/2025, 1:51:30 AM
to 12/22/2025, 2:04:33 AM
H3-22
Family: H3
Variant: 22
Yoshinobu Launch Complex LP-2
Tanegashima Space Center, Japan
Other launches using the same rocket configuration
