Himalia

Introduction
Himalia, also known as Jupiter VI, is the largest irregular moon orbiting Jupiter. Himalia has a mass of 4.2X10^18 Kilograms, a volume of 2,600,000 Kilometers cubed, a surface area of 91,000 Kilometers squared, a density of 2.6 grams per centimeter cubed, a diameter of 170 kilometers and a temperature of 124 Kelvin. Himalia has a surface gravity of 0.062 meters per second squared and a escape velocity of 0.100 kilometers per second. Himalia has an average orbital velocity of 3.312 kilometers per second and an orbital period of 248.29 Earth Days. Himalia was discovered on December 3rd, 1904 at the Lick Observatory by American Astronomer Charles Dillon Perrine.