As of January 21, 2010, Voyager 1 is over 16.81 terameters (1.681×1013 meters, or 1.681×1010 km, 112.4 AU, or 10.4 billion miles) from the Sun, and is in the boundary zone between the Solar System and interstellar space. It gained the energy to escape the Sun's gravity completely by performing slingshot maneuvers around Jupiter and Saturn.