Europa

Europa is the smallest of the four Galilean moons orbiting Jupiter.

Europa rotates once on its axis and completes one orbit of Jupiter every 3.5 Earth days, so the same side of Europa always faces Jupiter.

Europa orbits Jupiter in just over three and a half days, with an orbital radius of about 670,900 km. With an orbital eccentricity of only 0.009

Slightly smaller than Earth's Moon Unlike our Moon Europa has a VERY thin atmosphere of just 10⁻¹² times that of the Earth, composed primarily of oxygen and some water vapor.

Europa Clipper

Europa Clipper is an interplanetary mission in development by NASA comprising an orbiter. The spacecraft is being developed to study the Galilean moon Europa through a series of flybys while in orbit around Jupiter.

Europa Clipper is scheduled to launch toward Europa on a SpaceX Falcon Heavy, Clipper will lift off in October 2024 from NASA's Kennedy Space Center in Florida and arrive in orbit around Jupiter in April 2030