<page_title> List of natural satellites </page_title> <section_title> List </section_title> <table> <cell> Tethys <col_header> Name </col_header> </cell> <cell> 536.3 ± 1.5 <col_header> Mean radius (km) </col_header> </cell> </table>
Tethys is the 16th-largest moon in the Solar System.