Martian Moons eXplorationMMX

Mission: Martian Moons eXploration (MMX)

Planetary Science · 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.

Customers: JAXA

Where to watch

Timeline

1. T+00:00:00 Liftoff
2. T+00:01:56 Boosters Separation
3. T+00:01:58 Boosters Separation
4. T+00:03:17 Fairing Separation
5. T+00:04:52 MECO
6. T+00:04:59 Stage 2 Separation
7. T+00:05:12 SES-1
8. T+00:10:40 SECO-1
9. T+01:03:57 SES-2
10. T+01:10:21 SECO-2
11. T+01:11:12 Payload Separation

In the news

• JAXA’S MMX Mars Mission Readies for Launch with Two NASA Instruments SpacePolicyOnline.com, 16 Oct 2026
• NASA to Help Unlock Mysteries of Mars’ Moons in Upcoming Mission NASA, 15 Oct 2026
• Mars moon lander set to launch on 19 October ESA, 13 Oct 2026
• NASA Briefing to Highlight Contributions to Martian Moons Mission NASA, 8 Oct 2026

Headlines via the Spaceflight News API.

Updates

• GO for launch. source
• NET October 20. source
• NET October. source
• Delayed to 2026 launch window due to H3 launch vehicle unavailability. source