The surface gravity of Saturn is 10.44 meters per second. Its gravity is about 1.07 times Earth’s gravity. Saturn is a gas giant that consists mostly of hydrogen, helium and trace amounts of methane.
Saturn’s distance from the sun is 9.5 astronomical units. One astronomical unit is equal to 150 million kilometers. It takes Saturn 10 Earth hours to rotate about its axis. Saturn makes one complete revolution around the sun every 29.5 Earth years. This outer planet has 18 known moons; the largest moon is Titan. Saturn also has many rings around it, three of which are visible. Galileo first observed them in 1610 through a telescope.