Hermione

Discovered 1872 May 12 by J. C. Watson at Ann Arbor.

Named after the daughter of Menelaus and Helen {see planets (1647) and (101)}. She was promised in marriage to Orestes {see planet (13475)}, but Menelaus, ignorant of this, gave her to Pyrrhus {see planet (5283)} for the services he rendered in the Trojan War. (Z 125)

A satellite of (121) with an estimated diameter of 13 km was discovered on 2002 Sept. 18 with the 10-m Keck II telescope. The preliminary designation of the satellite is S/2002 (121) 1.

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