Japan MMX Phobos Sample-Return Mission
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At a glance
's Martian Moons eXploration (MMX) is a Phobos sample-return mission intended to explain how Mars's moons Phobos and Deimos formed. As of October 16, 2026, MMX is scheduled to launch on October 20, 2026 from Tanegashima Space Center, arrive at Mars in August 2027, map Phobos from alongside its orbit, and observe Deimos en route. Its industry relevance lies in advancing Japan's deep-space sample-return exploration effort. The next milestones are the October 20, 2026 launch and the August 2027 arrival at Mars.
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Japan's MMX Set for Phobos Sample Mission
Japan's Martian Moons eXploration spacecraft is set to launch on October 20, 2026, from Tanegashima Space Center bound for Phobos, aiming to return a sample to explain how Phobos and Deimos formed. This opens Perigo's tracking of the mission, with no earlier developments recorded, shifting focus from preparation to flight.
Success matters for the space science and exploration supply chain, validating sample-return technology for deep-space industry. Watch for the launch on October 20, 2026, then arrival at Mars in August 2027 for mapping and Deimos observations.
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