First Closeup Images of Europa
Galileo's orbital tour consists of 11 different elliptical orbits around Jupiter. Each orbit (except one) includes a close flyby and gravity assist of one of the Galilean moons (Ganymede, Callisto or Europa) near the inner (Jupiter) end of the orbit. Distant scientific encounters with additional satellites are scheduled for a number of orbits, and the spacecraft will observe Io at medium range on every orbit.
The next satellite flyby will occur when Galileo flies by Europa at at distance of 695 km. This encounter is referred to as Europa 4 since it is on the fourth orbit of the 11 orbit tour. Careful targeting allows each flyby to direct the spacecraft on to its next satellite encounter and the spacecraft's next orbit around Jupiter. During the orbital tour, Galileo will fly by Ganymede four times, Callisto three, and Europa three.
Need help running animations? Look here for information on how to setup your browser for animations.