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Hygiea


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Asteroid 10, discovered in 1849 by the Italian astronomer Annibale de Gasparis (1819–92). It is the fourth-largest main-belt asteroid, diameter 407 km, with a rotation period of 27.6 h, and is of C class. Its orbit has a semimajor axis of 3.140 AU, period 5.56 years, perihelion 2.77 AU, aphelion 3.51 AU, inclination 3°.8.

Subjects: Astronomy and Astrophysics.


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