The Science Shtick
 
Our Solar System: Elara
Mass 7.77*1020 g
Average Density 3.3 g/cm³
Equatorial Radius 3.8*106 cm
Period of Rotation .5 d
Orbital Radius 11.737*10¹¹ cm
Orbital Period 259.6528 d
Discovered 1905 by C. Perrine

Satellite of Jupiter