Venus, which orbits close to Mercury, has the least eccentric orbit of any planet in the solar system. Its orbit varies between 107 and 109 million kilometers from the Sun and has an eccentricity of.007, giving it a nearly perfect circle for its orbit. Earth's orbit is not exactly circular, but it is quite close-fitting, with an average distance from the Sun of about 95 million km. The actual distance varies over time as well as position in relation to the other planets. But on average, Earth travels around the Sun at almost the same distance every year: 3658.4 million km. Mars' orbit is almost elliptical, with a major axis of 485 million km and a minor axis of 439 million km. It takes Mars approximately 687 days to complete one orbit, during which time it passes across the sky from north to south each night and lies in darkness the next day. Jupiter is more than five times as massive as Earth and contains more than $370$ billion dollars worth of material. It occupies about 1/5th of the space between the Sun and Neptune. It orbits the Sun once every 10 years and 8 months, and it travels around the Solar System every 12 years. But because of its great mass, it influences the orbits of smaller objects around it.