Originally also named Geostationary Meteorological Satellites (GMS),[1] since the launch of GMS-1 (Himawari 1) in 1977, there have been three generations, including GMS, MTSAT, and Himawari 8/9. Himawari 8/9 satellites are currently available for operational use.
In March 2023, Mitsubishi Electric announced that they had won the contract to built Himawari 10.[4] Himawari 10 is scheduled to be launched in 2028.[5]