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An asteroid of the Solar System's main belt, discovered in 1853. Proserpina was named for the Roman goddess who was abducted by Pluto and agreed to rule the underworld by his side (a character perhaps better known by her Greek name Persephone).
Asteroid 26 Prosperina has a flattened spheroidal shape, with average diameter of some ninety kilometres. It belongs to the S-type stony asteroids, and rotates on its axis in a period of a little over thirteen hours. Proserpina's orbit carries it through the central parts of the Asteroid Belt, taking a period of some four years and four months to complete a circuit of the Sun.
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