Quote:
Originally Posted by ballaratdragons
Geoff, Comet Elenin is going to pass by the Earth at a fairly close distance on 16th, 17th & 18th October 2011 on it's way back to the outer Solar System, but not close enough to be of any consequence.
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I would not have called 0.23AU close. Asteroids that pass inside the Moon's orbit are close.