Hermippe is about 4 kilometres in diameter, and orbits Jupiter at an average distance of 21,500,000 kilometers in about 630 days, at aninclination of 151° to theecliptic (149° to Jupiter's equator), in aretrograde direction and with aneccentricity of 0.2290.
Hermippe belongs to theAnanke group, retrograde irregular moons which orbit Jupiter between 19.3 and 22.7gigametres (0.152astronomical units), at inclinations of roughly 150°.
Discovery image of Hermippe andEurydome together taken in December 2001
