<page_title> Halley's Comet </page_title> <section_title> Apparitions </section_title> <table> <cell> 374 <col_header> Year BC/AD </col_header> </cell> <cell> 0.09 AU <col_header> Closest approach </col_header> </cell> <cell> 607 <col_header> Year BC/AD </col_header> </cell> <cell> 0.09 AU <col_header> Closest approach </col_header> </cell> </table>
The approaches in 374 and 607 AD each came within 0.09 AU of Earth.