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MMX

JAXA · Launch: Late 2026 (target)

Martian Moons eXploration: land on Phobos, collect samples and bring them back to Earth.

Objective: Solve the origin of Mars' moons — captured asteroids or debris from a giant impact.

Launch on H3

Late 2026

Target date · may change

Mission details

Rocket & spacecraft
H3
Lander
Rover built by CNES & DLR
Destination
Phobos (moon of Mars)
Duration
~5 years round trip
  • Will collect at least 10 g of Phobos surface material.
  • Includes a small wheeled rover from France and Germany.
  • Could be the first sample ever returned from the Mars system.

Milestones

0 of 4 reached

  1. Launch

    Late 2026Provisional

  2. Mars orbit arrival

    2027Provisional

  3. Phobos sampling

    2029Provisional

  4. Sample return to Earth

    2031Provisional

Future dates are agency targets, not confirmed schedules.

Curated dataset

Official source: JAXA MMX →