Kalyke (pronounced /ˈkælɨki/ KAL-ə-kee, or as in Greek Καλύκη), also known as Jupiter XXIII, is a retrograde irregular satellite of Jupiter. It was discovered by a team of astronomers from the University of Hawaii led by Scott S. Sheppard, et al. in 2000, and given the temporary designation S/2000 J 2.
Kalyke is about 5.2 kilometres in diameter, and orbits Jupiter at an average distance of 23,181 Mm in 721.021 days, at an inclination of 166° to the ecliptic (165° to Jupiter's equator), in a retrograde direction and with an eccentricity of 0.2140.
It was named in October 2002 after the Greek mythological figure Kalyke or Calyce..
It belongs to the Carme group, made up of irregular retrograde moons orbiting Jupiter at a distance ranging between 23 and 24 Gm and at an inclination of about 165°.
1. ^ IAUC 7555: Satellites of Jupiter 2001 January 5 (discovery)
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