Launch index
To Be Determined

H3-24 | Martian Moon eXplorer (MMX)

October 31, 2026 at 12:00 AM UTC

Tanegashima Space Center, Japan

H3-24 | Martian Moon eXplorer (MMX) launch image
Mission imagery · H3-24

Launch details

LAUNCH TIME UNCONFIRMED

T−00d00h00m00s

October 31, 2026 at 12:00 AM UTC

Status: To Be Determined · Live feed refreshes every 30 seconds

Yoshinobu Launch Complex LP-2

Tanegashima Space Center, Japan · 30.4009, 130.9756

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Rocket
H3-24
Launch site
Yoshinobu Launch Complex LP-2

Tanegashima Space Center, Japan

Launch probability
Not published
Window opens
October 31, 2026 at 12:00 AM UTC
Window closes
October 31, 2026 at 12:00 AM UTC
Feed updated
January 7, 2026 at 3:51 PM UTC

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.

Vehicle

H3-24

H3 · 24

Height

63 m

Diameter

5.27 m

LEO capacity

0 kg

Successful launches

1

Launch complex

Yoshinobu Launch Complex LP-2

Tanegashima Space Center, Japan

The Tanegashima Space Center is the largest rocket-launch complex in Japan. It is located on the southeastern tip of Tanegashima, an island located south of Kyushu, an island and region and Japan. It was established in 1969 when the National Space Development Agency of Japan (NASDA) was formed, and is now run by JAXA. The activities that take place at TNSC include assembly, testing, launching, and tracking satellites, as well as rocket engine firing tests.

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Official links

Mission updates

NET October.

January 7, 2026 at 3:51 PM UTC · Cosmic_Penguin

Delayed to 2026 launch window due to H3 launch vehicle unavailability.

December 6, 2023 at 11:07 AM UTC · Cosmic_Penguin