T-ZERO Launch tracker

Martian Moon eXplorer (MMX) launch time, date and countdown

Go Oct 19, 2026, 2:41 PM CDT

Countdown

Launch time: (Mon, Oct 19, 2026, 19:41 UTC)

Launch details

US Central
UTC
Mon, Oct 19, 2026, 19:41 UTC
Status
Go Go for Launch
Provider
Mitsubishi Heavy Industries (Commercial)
Rocket
H3-24
Mission
Martian Moon eXplorer (MMX)
Mission type
Planetary Science
Orbit
Mars Orbit
Pad
Yoshinobu Launch Complex LP-2
Location
Tanegashima Space Center, Japan
Country code
JPN

Times can change. Central time is America/Chicago (CST/CDT). Source: Launch Library 2.

About this launch

Martian Moon eXplorer (MMX) is a launch of the H3-24 rocket operated by Mitsubishi Heavy Industries. It is scheduled for Mon, Oct 19, 2026, 2:41 PM CDT (Mon, Oct 19, 2026, 19:41 UTC). The launch window is instantaneous, so the launch happens at the exact time above or not at all that day. The launch site is Yoshinobu Launch Complex LP-2, Tanegashima Space Center, Japan. The target orbit is Mars Orbit. Mission type: Planetary Science. Launch Library 2 lists the current status as “Go for Launch”.

Mission description

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.

How to watch

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