Source: http://www.nineplanets.org Sun: diameter: 1,390,000 km. earth diameter: 108.966 units Mercury: orbit: 57,910,000 km (0.38 AU) from Sun diameter: 4,880 km mass: 3.30e23 kg earth diameter: 0.383 period: 58.646 days (1.000 mercury years) Venus: orbit: 108,200,000 km (0.72 AU) from Sun diameter: 12,103.6 km mass: 4.869e24 kg earth diameter: 0.949 period: 224.701 days (3.831 mercury years) Earth: orbit: 149,600,000 km (1.00 AU) from Sun diameter: 12,756.3 km mass: 5.972e24 kg period: 365.256 days (6.228 mercury years) Mars: orbit: 227,940,000 km (1.52 AU) from Sun diameter: 6,794 km mass: 6.4219e23 kg earth diameter: 0.533 period: 686.98 days (11.714 mercury years) Jupiter: orbit: 778,330,000 km (5.20 AU) from Sun diameter: 142,984 km (equatorial) mass: 1.900e27 kg earth diameter: 11.209 period: 4332.71 days (73.879 mercury years) Saturn: orbit: 1,429,400,000 km (9.54 AU) from Sun diameter: 120,536 km (equatorial) mass: 5.68e26 kg earth diameter: 9.449 period: 29.458 years (183.468 mercury years) Uranus: orbit: 2,870,990,000 km (19.218 AU) from Sun diameter: 51,118 km (equatorial) mass: 8.683e25 kg earth diameter: 4.007 period: 84.01 years (523.226 mercury years) Neptune: orbit: 4,504,000,000 km (30.06 AU) from Sun diameter: 49,532 km (equatorial) mass: 1.0247e26 kg earth diameter: 3.883 period: 164.79 years (1026.337 mercury years) Pluto: orbit: 5,913,520,000 km (39.5 AU) from the Sun (average) diameter: 2274 km mass: 1.27e22 kg earth diameter: 0.178 period: 248.54 years (1547.944 mercury years)