Themisto
Satellite
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Themisto, also known as Jupiter XVIII, is a small prograde irregular satellite of Jupiter. It was discovered in 1975, subsequently lost, and rediscovered in 2000. Wikipedia
Discoverers: David C. Jewitt, Scott S. Sheppard, Elizabeth Roemer, and more
Radius: 2.4855 mi
Discovered: September 30, 1975
Orbital period: 130 days
Gravity: 0.003 m/s²
Alternative names: S/2000 J 1; S/1975 J 1
Pronunciation: /θəˈmɪstoʊ/