The Historical OSIRIS-REx Mission to the Asteroid Bennu

The Historical OSIRIS-REx Mission to the Asteroid Bennu

OSIRIS-REx Mission

One of the primary reasons the OSIRIS-REx team chose Bennu as a destination for the OSIRIS-REx mission is that it has a 1/2700 chance of impacting Earth between 2175 and 2199. It’s unusual orbit consistently brings it within 100,000 to 460,000 miles from Earth every six years. This distance is alarmingly close, as the Moon is 238,900 miles away from Earth. Bennu will pass by us in 2060, 2135, and 2175.

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