- Family: H-II
- Length: 53 m
- Diameter: 4 m
- Launch Mass: 445 T
The H-IIA 204 was manufactured by Mitsubishi Heavy Industries with the first launch on 2006-12-18. H-IIA 204 has 4 successful launches and 0 failed launches with a total of 4 launches. H-IIA (H2A) is an active expendable launch system operated by Mitsubishi Heavy Industries (MHI) for the Japan Aerospace Exploration Agency. The liquid-fueled H-IIA rockets have been used to launch satellites into geostationary orbit, to launch a lunar orbiting spacecraft, and to launch Akatsuki, which studied the planet Venus. Launches occur at the Tanegashima Space Center.