ASTEROID TYPES & GROUPS
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    Themis family

    A Hirayama family of asteroids in the outer part of the main asteroid belt at a mean distance of 3.13 AU from the Sun. It is one of the most populous and well-defined families, consisting of a core of large objects surrounded by a cloud of mostly smaller ones. The core includes (24) Themis, discovered in 1853 by the Italian astronomer Annibale de Gasparis (1819-1892), (62) Erato, (90) Antiope, (468) Lina, (526) Jena, and (846) Lipperta. Most family members are C-class asteroids with low albedos.


    Data for (24) Themis
    Diameter 228 km
    Spectral class C
    Semimajor axis 3.130 AU
    Perihelion 2.71 AU
    Aphelion 3.55 AU
    Inclination 0.8°


    Related category

       • ASTEROIDS AND OTHER MINOR PLANETS: TYPES AND GROUPS



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