Valetudo (moon)
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Valetudo has a diameter of about 1 km (0.6 mi) and orbits Jupiter at a distance of about 19 million kilometres (12 million miles). Its orbital inclination is 34 degrees, and its orbital eccentricity is 0.222. It has a prograde orbit which takes almost a year and a half to complete, but it crosses paths with several other moons that have retrograde orbits and may in the future collide with them.
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Name
The moon was provisionally designated as S/2016 J 2 until it received its name in 2018. Sheppard proposed the name Valetudo, after the Roman goddess of health and hygiene (a Latin translation of Greek Hygieia 'Health') and a great-granddaughter of the god Jupiter. The name also alluded to Sheppard's girlfriend, whom he joked about being cleanly. The name conforms with the naming conventions for Jupiter moons set out by the International Astronomical Union (IAU), according to which a name ending in -o indicates a high inclination. The name was approved by the IAU Working Group for Planetary System Nomenclature on 3 October 2018.