Home / Launches / H3-24
WorldConfirmed

H3-24 · Martian Moons eXploration (MMX)

MHITanegashima Space Center, Japan19 Oct 2026 · 19:41 UTC
H3-24 · Martian Moons eXploration (MMX)
Mitsubishi Heavy Industries

Mission

MHI plans to launch H3-24 on the Martian Moons eXploration (MMX) mission on 19 Oct 2026 · 19:41 UTC from Tanegashima Space Center, Japan. The launch window is 19:41 UTC and the target orbit is Mars. The countdown and the livestream link are on this page.

MMX is a Japanese scientific mission to land on Phobos, one of the two moons of Mars, to collect samples before bringing them back to Earth. The mission includes a small French/German rover to explore the surface of Phobos.

More on this missionMMX: Japan heads to Phobos for a handful of dust that could rewrite Mars' history JAXA's MMX probe launches on an H3 on 20 October to bring more than 10 g of Phobos samples home by 2031. The $345m mission could show whether Mars's moons are debris from the planet itself.30 Sep 2026 · 3 min read