possibly including volatile molecules and organic compounds, reduced the list further. With the above criteria applied, five asteroids remained as candidates for the OSIRIS-REx mission, and Bennu was chosen, in part for its potentially hazardous orbit. Gallery See also List of minor planets and comets visited by spacecraft , provisional target of the cancelled Asteroid Redirect Mission 162173 Ryugu, an asteroid being studied by JAXA concurrent with the NASA mission to 101955 Bennu 73P/Schwassmann–Wachmann, a disintegrating-comet References External links Video (2:53) – Asteroid Bennu Mission Overview (NASA; 11 May 2021). Video (01:12) – Asteroid Bennu ejecting material into space (CNN; 5 December 2019) Video (01:32) – OSIRIS REx's approach to asteroid Bennu (NASA; 7 January 2019) Earth Impact Risk Summary: 101955 1999 RQ36 (Years: 2175–2199) – Jet Propulsion Laboratory near-Earth object site NEODyS-2 Ephemerides for 2135 (step size: 10 days) Nominal and impacting solution for 2182 Apollo asteroids Potentially hazardous asteroids Active asteroids Discoveries by LINEAR Bennu Potential impact events caused by near-Earth objects Minor planets visited by spacecraft Bennu Articles containing video clips 19990911 B-type asteroids (SMASS)