Martian Moon eXplorer (MMX)

Liftoff Time

No Earlier Than 2026

Mission Details

Launch Notes

First Japanese sample return mission from Phobos. First French/German rover.

Martian Moon eXplorer (MMX)

Wiki

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. A small French rover, built in cooperation with Germany, will also be embarked on the mission and should be able to explore the moon's surface.

Heliocentric Orbit

1 Payload

4,000 kilograms

Rocket

Active
H3-24L

Active Since 2025

Mitsubishi Heavy Industries logo

Manufacturer

MHI

Price

$50.00 million

Rocket

Height: 69m

Payload to Orbit

GTO: 6,500 kg

Liftoff Thrust

12,142 Kilonewtons

Fairing

Diameter: 5.27m

Height: 16.4m

Stages

2

Strap-ons

4

Launch Site

LA-Y2

Tanegashima Space Center, Japan

Fastest Turnaround

90 days 1 hour