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101955 Bennu (provisional designation 1999 RQ 36) 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 Technical Impact Hazard Scale . [ 9 ]
On 3 December 2018, NASA confirmed that OSIRIS-REx had matched the speed and orbit of Bennu at a distance of about 19 km (12 mi), effectively reaching the asteroid. OSIRIS-REx performed closer passes of the Bennu surface, initially at about 6.5 km (4.0 mi) through December to further refine the shape and orbit of Bennu.
The second full orbit of Neptune around the Sun since its discovery in 1846. 2177 "First Plutonian anniversary" of Pluto's discovery, given its orbit is just under 248 Earth years. 2178 January 28 2182 September 24 With an estimated probability of 0.04%, asteroid 101955 Bennu could hit Earth. 2185 Triple conjunction Mars–Saturn [56] 2186 July 16
The quarter-mile-wide asteroid is now the smallest body ever orbited by a spacecraft, and the spacecraft is tracing the closest sustained orbit around a celestial body. Bennu beat out Comet 67P ...
Asteroid Bennu is a 4.5-billion-year-old remnant of our early solar system and scientists believe it can help shed light on how planets formed and evolved. ... UKRI future leaders fellow, Natural ...
An early analysis of a sample collected from the asteroid Bennu suggests that the space rock had an unexpectedly water-rich past — and it may have even splintered off from an ancient ocean world.
2010 RF 12 is the asteroid with greatest probability (10%) of impacting Earth, but is only ~7 meters in diameter. The only numbered objects with observation arcs of several years are (29075) 1950 DA and 101955 Bennu. [1]
In September Nasa’s Osiris-Rex safely brought samples from asteroid Bennu to Earth. 4.5 billion-year-old asteroid could reveal the origins of life on Earth Skip to main content