MoonMoon of Jupiter
Arche
A retrograde irregular moon of Jupiter in the Carme group.
3km
Diameter23,355,000km
From Jupiter732.0days
Orbital Period2002
DiscoveredAbout
Arche is a retrograde irregular moon of Jupiter in the Carme group.
Properties
3km
Diameter23,355,000km
Semi-major Axis731.95days
Orbital Period2002
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