Earth gets a rush of weekend asteroid visitors (nbcnews.com)
Two other small asteroids, both about the size of the Russian meteor, will also be in Earth's neighborhood this weekend. Asteroid 2013 EC 20 passed just 93,000 miles away on Saturday - "a stone's throw," said Slooh telescope engineer Paul Cox.

On Sunday, Asteroid 2013 EN 20 will fly about 279,000 miles from Earth. Both were discovered just three days ago. "We know that the solar system is a busy place," said Cox.
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