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The asteroid "101955 Bennu" is an "Apollo" asteroid about 800 feet in diameter, one of a class of minor bodies which occasionally cross the Earth's orbit. There is a very low probability that Bennu might approach the Earth closely enough to be a hazard sometime after the year 2169. NASA plans to launch a space probe to land on this object in 2016, to land on the object in 2019, and return samples to Earth around 2023.

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10y ago

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