101955 Bennu
Asteroid
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101955 Bennu is a carbonaceous asteroid in the Apollo group discovered by the LINEAR Project on 11 September 1999. It is a potentially hazardous object that is listed on the Sentry Risk Table and has the highest cumulative rating on the Palermo... Wikipedia
Radius: 861.22′
Mass: 78 billion kg
Orbital period: 437 days
Spectral type: B-type asteroid
Discoverer: Lincoln Near-Earth Asteroid Research
Discovered: September 11, 1999