The equatorial circumference of Jupiter, the largest planet in the solar system, is 272,945.9 miles. This is more than 10 times the equatorial circumference of Earth, which is 24,873.6 miles.
Jupiter is more than 28 times the circumference of the smallest planet in the system, Mercury, at 9,525.1 miles.The second-largest planet, Saturn, has a circumference of 227,348.8 miles. Jupiter has considerable mass as well, at 317.83 times the mass of Earth. However, Jupiter has the shortest day of all the planets in the solar system, with one day lasting nine hours and 55 minutes. Its orbit around the sun takes 11.8 Earth years.