Euporie (moon)

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Euporie (/juːˈpɒrɨ./ ew-PORR-ə-ee or /juːˈpɔər/ ew-POHR-ee; Greek: Ευπορία), also known as Jupiter XXXIV, is a natural satellite of Jupiter. It was discovered by a team of astronomers from the University of Hawaii led by Scott S. Sheppard in 2001, and given the temporary designation S/2001 J 10.[1][2]

Euporie is about 2 kilometres in diameter, and orbits Jupiter at an average distance of 19,088 Mm in 538.780 days, at an inclination of 145° to the ecliptic (145° to Jupiter's equator), in a retrograde direction and with an eccentricity of 0.0960[citation needed].

It was named in August 2003 after Euporie, a Greek goddess of abundance and one of the Horae in Greek mythology (and thus a daughter of Zeus).[3]

It is the innermost member of the Ananke group, retrograde irregular moons which orbit Jupiter between 19.3 and 22.7 Gm, at inclinations of roughly 150°.


  1. ^ IAUC 7900: Satellites of Jupiter May 16, 2002 (discovery)
  2. ^ MPEC 2002-J54: Eleven New Satellites of Jupiter May 15, 2002 (discovery and ephemeris)
  3. ^ IAUC 8177: Satellites of Jupiter, Saturn, Uranus 2003 August (naming the moon)