Sponsored by the Institute of Physics   Planets   Mercury   Venus   Earth   Mars   Jupiter     Rings     Io     Europa     Ganymede     Callisto     Metis     Adrastea     Amalthea     Thebe     S/1975 J1     Leda     Himalia     Lysithea     Elara     Ananke     Carme     Pasiphae     Sinope     S/1999 J1   Saturn   Uranus   Neptune   Pluto Asteroids Comets Constellations Sunrise and Sunset Times Moon Phases SI Units Symbols   Printer Version Astronomy Planets - Jupiter - Metis Bulk Parameters Orbital Parameters Bulk Parameters Mass ? Radius 20 km ± 10km Mean Density ? Visual Geometric Albedo 0.05 Orbital Parameters Semimajor Axis 127.96 × 103 km Period 0.294 780 days Orbital Inclination about 0 ° Orbital Eccentricity less than 0.041   [ H O M E ] [ S C I E N C E ] [ M A T H S ] [ A S T R O N O M Y ] Download | Shop | Contact | About   Page compiled: Wed Sep 05 18:37:58 GMT+01:00 2001