A

David

Darling

10 Hygieia

10 Hygieia is the fourth largest main belt asteroid. It was discovered in 1849 by the Italian astronomer Annibale de Gasparis (1819–1892).

 

diameter 443 km
spectral class C
semimajor axis 3.138 AU
perihelion 2.763 AU
aphelion 3.513 AU
eccentricity 0.119
inclination 3.84°
period 5.56 years