Kepler-9d
... that the small extrasolar planet Kepler-9d orbits its host star every 1.59 days?
... that the small <a class="mw-redirect" href="./Extrasolar_planet" id="mwAvg" rel="mw:WikiLink" title="Extrasolar planet">extrasolar planet</a> <b id="mwAvk"><a href="./Kepler-9d" id="mwAvo" rel="mw:WikiLink" title="Kepler-9d">Kepler-9d</a></b> orbits its host star every 1.59 days?