Bennu

Bennu is a carbonaceous asteroid in the Apollo group discovered by the LINEAR Project on September 11, 1999. It is a potentially hazardous object that is listed on the Sentry Risk Table with the second-highest cumulative rating on the Palermo Technical Impact Hazard Scale. It has a cumulative 1-in-2,700 chance of impacting Earth between 2175–2199. It is the planned target of the OSIRIS-REx mission which is intended to return samples to Earth in 2023 for further study. 101955 Bennu has a mean diameter of approximately 492 m (1,614 ft; 0.306 mi) and has been observed extensively with the Arecibo Observatory planetary radar and the Goldstone Deep Space Network. This model was created using ground radar and OSIRIS-REx images courtesy of NASA.