Only few days ago, astronomers from the Mount Lemmon Survey at the University of Arizona discovered a small space rock that will fly between Earth-Moon system. Small asteroid named 2013 RZ53 is about 3 meter (10 feet) wide and it will fly within Moon's orbit on September 18, 2013 at a safe distance of more than 148,000 miles (230,800 kilometers) away from Earth. The closest approach is expected at 22:20 UTC.
This Apollo-class near-Earth asteroid poses no danger to our planet. We can expect the close flyby again in March 2073.
Featured image: 2013 RZ53's orbital diagram (Credit: JPL/NASA)
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