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In cruiseDeep space

JUICE

ESA · Launch: 14 Apr 2023

Jupiter Icy Moons Explorer, bound for Ganymede, Callisto and Europa.

Objective: Characterise ocean worlds and become the first spacecraft to orbit another planet's moon.

Jupiter arrival

Jul 2031

Target date · may change

Mission details

Rocket & spacecraft
Ariane 5
Destination
Jupiter system, then Ganymede orbit
Duration
~4 years of science
  • First spacecraft to orbit a moon other than our own.
  • Did the first-ever lunar-Earth double gravity assist in 2024.
  • Studies three icy moons with possible oceans.

Milestones

2 of 4 reached
  1. Launch

    Apr 2023

  2. Venus flyby

    Aug 2025

  3. Jupiter arrival

    Jul 2031Provisional

  4. Ganymede orbit

    Dec 2034Provisional

Future dates are agency targets, not confirmed schedules.