How suitable is Rhea for colonization?

A little more suitable than space itself. Rhea has water ice. That is good for living, and for making rocket fuel, so that side of things is helpful. read more

Conclusion: good starter base for human space colonization, probably never more than an interplanetary gas station in the long term. Probably an ideal 5th or 6th target for colonization, after Mars, the Moon, Ceres, and a couple other moons around Jupiter. read more

Suitable for colonization, quite large with area at 23 million sq. km. Trans-neptunian objects All Trans-Neptunian objects seem to be well suitable for colonization if enough energy is provided. read more