<page_title> List of natural satellites </page_title> <section_title> List </section_title> <table> <cell> Main-group moon (Galilean) <col_header> Notes </col_header> </cell> <cell> Main-group moon (Galilean) <col_header> Notes </col_header> </cell> <cell> Main-group moon (Galilean) <col_header> Notes </col_header> </cell> <cell> IV <col_header> Numeral </col_header> </cell> <cell> Callisto <col_header> Name </col_header> </cell> <cell> 2408.4 ± 0.3 <col_header> Mean radius (km) </col_header> </cell> <cell> Main-group moon (Galilean) <col_header> Notes </col_header> </cell> <cell> Jupiter <col_header> Planet </col_header> </cell> </table>
Callisto (Jupiter IV) is the fourth and last Galilean moon and is the second largest of the four.