The Jovian Planets
Jupiter
Saturn
Uranus
Neptune
Distance from Sun (AU)
5.2
9.5
19.2
30.1
Size
(Earth = 1)
11.2
9.44
4.0
3.9
Mass
(Earth = 1)
317
95
14.5
17
Moons
Io, Europa, Ganymede, Callisto,
12 others
Titan,
15 others
17 small moons
Triton, 7 others