These moons orbit a Jovian planet with 0.52 Jovian mass and at 1.02 AU from a star with 0.98 Sol mass.
3.85 Days, 0.351 Earth, 0.68 G
15.4 Days, 0.242 Earth, 0.59 G
30.8 Days, 0.118 Earth, 0.44 G
Is tidal heating enough to produce a molten core that will create a magnetic field for all three moons? Does this resonance appear stable?
I created two intelligent races inhabit the first two moons, they are in a bitter dispute over the third moon and who owns it, it's similar to Mars but with some small lakes and streams.