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Eupheme (moon) facts for kids

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Eupheme
Eupheme CFHT 2003-02-25 annotated.gif
Images of Eupheme by the Canada-France-Hawaii Telescope in February 2003
Discovery
Discovered by Scott S. Sheppard
Discovery date 2003
Designations
MPC designation Jupiter LX
Pronunciation /juːˈfm/
Named after
Ευφήμη Eyphēmē
S/2003 J 3
Adjectives Euphemean /juːfɪˈmən/
Orbital characteristics 
21199710 km
Eccentricity 0.253
−628.06 days
168.7°
Inclination 148.0°
292.0°
109.0°
Satellite of Jupiter
Physical characteristics
Mean diameter
2 km
23.4

Eupheme /juːˈfm/, also Jupiter LX, originally known as S/2003 J 3, is an outer natural satellite of Jupiter, 2 km in diameter.

Discovery

It was discovered by a team of astronomers from the University of Hawaii led by Scott S. Sheppard in 2003. The moon was lost following its discovery in 2003. It was recovered in 2017 and given its permanent designation that year.

Name

It was named in 2019 after Eupheme, the ancient Greek spirit of words of good omen, praise, acclaims, shouts of triumph, and applause, the daughter of Hephaestus and Aglaea and granddaughter of Zeus. The name was suggested by Twitter user Lunartic (@iamalunartic) in a naming contest held by the Carnegie Institute on the social network who concurrently helped in naming another Jovian moon Philophrosyne.

Orbit

Eupheme orbits Jupiter at an average distance of 19,622 Mm in 628.06 days, at an inclination of 146° to the ecliptic (146° to Jupiter's equator), in a retrograde direction and with an eccentricity of 0.2507. It belongs to the Ananke group, retrograde irregular moons that orbit Jupiter between 19.3 and 22.7 Gm, at inclinations of roughly 150°.

See also

Kids robot.svg In Spanish: Eufeme (satélite) para niños

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