Tags: Planet.

2013 BP73 (also written 2013 BP73) is a near-Earth asteroid and potentially hazardous object. From discovery until August 2013 when Sentry updated to planetary ephemeris (DE431) it had the 4th highest impact threat on the Palermo Technical Impact Hazard Scale. It was discovered on 22 January 2013 by the Mount Lemmon Survey at an apparent magnitude of 21 using a 1.5-meter (59 in) reflecting telescope. It has an estimated diameter of 310 meters (1020 ft).

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