2011 XC2
... that the asteroid 2011 XC2 missed the Earth by less than 1 lunar distance on 3 December 2011?
... that the asteroid <b id="mwUQ"><a href="./2011_XC2" id="mwUg" rel="mw:WikiLink" title="2011 XC2">2011 XC2</a></b> missed the Earth by less than 1 <a class="mw-redirect" href="./Lunar_distance_(astronomy)" id="mwUw" rel="mw:WikiLink" title="Lunar distance (astronomy)">lunar distance</a> on 3 December 2011?