Hygiea can refer to one of two concepts: ...[asteroid] Main Street, Egmanton. ...[astrology] == German Type U 66 submarines == ...
(from the article `asteroid`) About 30 asteroids are larger than 200 km. The largest, Ceres, has a diameter of about 940 km. It is followed by Pallas at 530 km, Vesta at 520 km, ...
(minor planet 10) 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 Incli...