A

David

Darling

Lysithea

Lysithea is the twelfth moon of Jupiter; also known as Jupiter X.

 

discovery 1938, by Seth Nicholson
semimajor axis 11,741,600 km (7,297,500 miles)
diameter 36 km (22 miles)
mean density 2.6 g/cm3
escape velocity 0.022 km/s (79 km/hr, 49 mph)
orbital period 259.89 days
orbital eccentricity 0.132
orbital inclination 27.01°