The orbit of asteroid 2011 ES4 is still not entirely known. Our knowledge of it might improve sometime today - or early tomorrow - if it is "recovered" by astronomers. It's expected to pass within the moon's orbit, possibly as close as 0.19 lunar distances.
A cloudy sky last night prevented the online viewing of large, close-passing asteroid 1998 OR2. The Virtual Telescope Project will be trying again today to show you the asteroid, which passed us earlier today.
BepiColombo is a spacecraft on a roundabout journey to Mercury. It'll sweep near Earth tonight, using Earth as a gravity slingshot to send it hurtling toward the inner solar system. For most of us, BepiColombo will pass unseen. But people with telescopes might spot it! Charts and more here.
Why is the internet so chock-full of stories about asteroids on a collision course with Earth? At this rate, we should have been obliterated many times over already. Here comes the newest scare story: asteroid 2007 FT3. No, it won't hit us, either.
Eddie Irizarry of the Sociedad de Astronomía del Caribe (Astronomical Society of the Caribbean) has been a NASA Solar System Ambassador since 2004. He loves public outreach and has published multiple astronomy articles for EarthSky, as well as for newspapers in Puerto Rico. He has also offered dozens of conferences related to asteroids and comets at the Arecibo Observatory.
Asteroid 33012EddieIrizarry, a 7.8 km space rock, has been named in his honor.