Planet name Planet distances from the Sun - Orbital Radius (R) in different units Mercury 5.8 x 107 kilometers = meters = AU Venus 1.1 x 108 km = m = AU Earth (defined values given) 1.5 x 108 km = 1.5 x1011 m = 1.0 AU Mars 2.3 x 108 km = m = AU Jupiter 7.8 x 108 km = m = AU Saturn 1.4 x 109 km = m = AU Uranus 2.9 x 109 km = m = AU Neptune 4.5 x 109 km = m = AU Pluto (a dwarf planet) 5.9 x 109 km = m = AU