H-IIA 2040

H-IIA 204

Mission Profile

The H-IIA 2040 (H-IIA 204) was a two-stage Japanese launch vehicle in the H-II family, the most powerful H-IIA configuration featuring four SRB-A solid rocket boosters for heavy payload delivery. Standing 53 m tall with a 4 m core diameter and a liftoff mass of 526 tonnes, it generated 14,296 kN of liftoff thrust and could deliver 16,500 kg to low Earth orbit. First flying in December 2006, the H-IIA 204 launched Japan's heaviest payloads including the Kizuna communications satellite and provided maximum-performance capability within the H-IIA family.