<page_title> List of craters on Venus </page_title> <section_title> A </section_title> <table> <cell> 20.6 <col_header> Diameter (km) </col_header> </cell> <cell> 1991 <col_header> Approval Year </col_header> </cell> <cell> Avviyar, ancient Tamil poet <col_header> Eponym </col_header> </cell> </table>
In 1991, 20.6 km-wide Avvaiyar crater in Venus was named the Avviyar crater, ancient Avvaiyar.