MoonMoon of Jupiter
Autonoe
A retrograde irregular moon of Jupiter in the Pasiphae group.
4km
Diameter24,046,000km
From Jupiter761.0days
Orbital Period2001
DiscoveredAbout
Autonoe is a retrograde irregular moon of Jupiter in the Pasiphae group.
Properties
4km
Diameter24,046,000km
Semi-major Axis760.95days
Orbital Period2001
Discovery YearScott S. Sheppard
Discovered ByOther Moons of Jupiter

Io
The most volcanically active body in the solar system and innermost Galilean moon.
3,643.2 km
Diameter
1.8 d
Orbit
1610
Discovered

Europa
Jupiter moon with a subsurface ocean considered a prime candidate for extraterrestrial life.
3,121.6 km
Diameter
3.6 d
Orbit
1610
Discovered

Ganymede
The largest moon in the solar system, bigger than Mercury, with its own magnetic field.
5,268.2 km
Diameter
7.2 d
Orbit
1610
Discovered

Callisto
Jupiter's second-largest moon with the most cratered surface in the solar system.
4,820.6 km
Diameter
16.7 d
Orbit
1610
Discovered