<page_title> HD 181342 </page_title> <section_title> Planetary system </section_title> <table> <cell> b <col_header> Companion (in order from star) </col_header> </cell> <cell> 1.78 ± 0.07 <col_header> Semimajor axis (AU) </col_header> </cell> <cell> 663 ± 29 <col_header> Orbital period (days) </col_header> </cell> </table>
The planet HD 181342 b orbits at a distance of 1.78 astronomical units (au) every 663 days (almost 2 years).