An Etymological Dictionary of Astronomy and Astrophysics
English-French-Persian

فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک

M. Heydari-Malayeri    -    Paris Observatory

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Number of Results: 1 Search : (486958) 2014 MU69
(486958) 2014 MU69
     
(486958) 2014 MU69

Fr.: (486958) 2014 MU69   

A → trans-Neptunian object located in the → Kuiper belt, nicknamed Ultima Thule. It is elongated in shape with estimated dimensions of about 31 by 19 km. NASA's → New Horizons spacecraft conducted a close → flyby of the object on January 1, 2019 just 3,500 km above the object's surface. The images it took show that the object has in fact two distinct lobes. At a heliocentric distance of 44 → astronomical units, (486958) 2014 MU69 is the most distant object ever visited by a spacecraft. It has an → orbital period of 298 years, a small → inclination (~ 2.45°), and a low → eccentricity (0.042).

asteroid designation.