H3-24 | Martian Moon eXplorer (MMX)
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.
H3-24 | Martian Moon eXplorer (MMX)
H3-24 • Mars Orbit
"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."

Quick answer
H3-24 | Martian Moon eXplorer (MMX) is an upcoming launch on H3-24 from Yoshinobu Launch Complex LP-2, Tanegashima Space Center, Japan, scheduled for 19 October 2026. Launch dates are indicative and can change.
H3-24 | Martian Moon eXplorer (MMX): key facts
| Status | Upcoming |
|---|---|
| Scheduled date | 19 October 2026 |
| Launch vehicle | H3-24 |
| Launch site | Yoshinobu Launch Complex LP-2, Tanegashima Space Center, Japan |
| Target orbit | Mars Orbit |
| Organisation | Mitsubishi Heavy Industries |
Frequently asked questions
What is H3-24 | Martian Moon eXplorer (MMX)?
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 incl...
When is H3-24 | Martian Moon eXplorer (MMX) scheduled to launch?
H3-24 | Martian Moon eXplorer (MMX) is listed for 19 October 2026; dates can change.
Which rocket is used for H3-24 | Martian Moon eXplorer (MMX)?
H3-24 | Martian Moon eXplorer (MMX) uses H3-24.
Where does H3-24 | Martian Moon eXplorer (MMX) launch from?
The listed launch site is Yoshinobu Launch Complex LP-2, Tanegashima Space Center, Japan.
What orbit is H3-24 | Martian Moon eXplorer (MMX) headed for?
The target orbit is listed as Mars Orbit.