Metis Adrastea Amalthea Thebe (Jupiter V) ___________________________________________________________________________ Mean distance 1.79 1.80 2.53 3.11 from Jupiter (Jupiter eqatorial radii) Revolutionary 0.294780 0.29826 0.49817905 0.6745 Period (days) Amalthea and Thebe are tidally locked to Jupiter : i.e., they always turn one face to Jupiter . The rotation periods of Metis and Adrastea were