Iris

Iris is an asteroid in the Sol Asteroid Belt. Iris is the location of the Rainbow Habitation Domes of Iris. The Rainbow Habitation Domes of Iris are eight dome colonies, one at each of Iris's named craters: Chloros, Chrysos, Cirrhos, Cyanos, Erythros, Glaucos, Porphyra, and Xanthos.
Iris is an S-type asteroid with little to no significant natural resources.