In an article today, the Sydney Morning Herald reports that an asteroid, 2012 BX34,
came within 60,000km of the Earth at approx 04:00 AEDT this morning.
Estimated to be between 6 to 19 meters in diameter, the object was discovered
by astronomers in Arizona on Wednesday.
See
http://www.smh.com.au/technology/sci...128-1qmoi.html