Thelxinoe is a small moon that orbits Jupiter, one of many natural satellites surrounding the giant planet. It matters primarily to astronomers and planetary scientists who study Jupiter's complex system of moons and the formation history of our solar system.
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Encyclopedic overview
Thelxinoe /θɛlkˈsɪnoʊ.iː/, also known as Jupiter XLII, is a natural satellite of Jupiter. It was discovered by a team of astronomers from the University of Hawaiʻi led by Scott S. Sheppard in 2004 from pictures taken in 2003, and originally received the temporary designation S/2003 J 22.
Thelxinoe is about 2 kilometres in diameter, and orbits Jupiter at an average distance of 20,454 Mm in 597.607 days, at an inclination of 151° to the ecliptic (153° to Jupiter's equator), in a retrograde direction and with an eccentricity of 0.2685.
Excerpted from Wikipedia’s “Thelxinoe” article, available under the CC BY-SA 4.0 licence.