Lutetia

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Lutetia (Rosetta)Lutetia is a large main-belt asteroid about 100 kilometers in diameter (120 km along its major axis). It’s named after Lutetia, the Latin name of the city that stood where Paris now stands. Lutetia has an irregular shape and is heavily cratered. The largest impact crater is around 45 km in diameter. It has a high average density, meaning that it is made of metal-rich rock.

This picture was taken by the Rosetta spacecraft when it passed within 3,162 km  of the asteroid in July, 2010. Lutetia was the largest asteroid visited by a spacecraft until the Dawn spacecraft arrived at Vesta a year later.

Image Credit: ESA

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