ISBN: | 978-5-5106-1285-1 |
High Quality Content by WIKIPEDIA articles! 10 Hygiea is an asteroid located in the asteroid belt. With somewhat oblong diameters of 350–500 km, and a mass estimated to be 2.9% of the total mass of the belt, it is the fourth largest asteroid by volume and mass. It is the largest of the class of dark C-type asteroids with a carbonaceous surface.