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Thu 28 Feb 2013 01:02

Asteroid (2003 BB21) Earth Flyby at 0.125au

Asteroid (2003 BB21) makes closest approach at 0.125 au

Time may vary 11:56 hours + / -

This Asteroid will makes its next closest approach at 2-27-2023
It has a cycle of about 10 years and 1 days

A potentially hazardous object (PHO) is an asteroid (PHA) or comet (PHC) with an orbit such that it has the potential to make close approaches to the Earth and a size large enough to cause significant regional damage in the event of impact. These objects are monitored by NASA with contributions from others including amateurs. The reason they can become hazardous is that their trajectory can variate due to gravitional fields from Planets or Stars (ore other objects). Overall the chance of a potentially hazardous event due to these objects is about once in 10,000 years.

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