H3-24 — mission imagery
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TBD

Martian Moon eXplorer (MMX)

H3-24Mitsubishi Heavy IndustriesYoshinobu Launch Complex LP-2
Saturday, October 31, 2026 · 12:00 AM UTCAdd to Calendar

NextMission AnnouncedT-720:00:00

Time to launch

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DAYS
00
HRS
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MIN
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Launch Window Confidence
46% — Uncertain

Vehicle

The H3 Launch Vehicle is an expendable launch system in development in Japan. Each H3 booster configuration has a two-digit and a letter designation that indicates the features of that...

Height63 m
LEO PayloadN/A
Launches65
Successes54

Provider

Mitsubishi Heavy Industries

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JPN • Founded 1884

Mitsubishi Heavy Industries, Ltd. is a Japanese multinational engineering, electrical equipment and electronics company headquartered in Tokyo, Japan. MHI is one of the core companies of the Mitsubishi Group....

Mission Brief

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.

PayloadMartian Moon eXplorer (MMX)
OrbitMars Orbit
CustomerMitsubishi Heavy Industries
Stages2
PadYoshinobu Launch Complex LP-2, Tanegashima Space Center, Japan

Mission Timeline

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Up next · Pre-launch

Mission Announced

Official mission announcement and payload assignment

T-720:00:00
12:00 AM UTC
  • Mission AnnouncedT-720:00:00
  • Vehicle RolloutT-48:00:00
  • Wet Dress RehearsalT-24:00:00
  • Launch Day PrepT-06:00:00
Site lock

Launch Site

Yoshinobu Launch Complex LP-2, Tanegashima Space Center, Japan

LAUNCH SITE
30.401°N, 130.976°E

Schedule History

No delays or schedule changes recorded.