how long would it take to go to planet nine
How long does it take for all nine planets to orbit around the sun? Mercury. . . 88 earth days Venus. . . 225 days Earth. . . 365 days Mars. . . 685 days Jupiter. . . 12 earth years Saturn. . . 29 years Uranus. . . 84 years â¦ Neptune. . . 165 years Pluto. . .Expelled from the lofty fraternity and demoted to dwarf planet.ercury. . . 88 earth days Venus. . . 225 days Earth. . . 365 days Mars. . . 685 days Jupiter. . . 12 earth years Saturn. . . 29 years Uranus. . . 84 years â¦ Neptune. . . 165 years Pluto. . . Expelled from the lofty fraternity and demoted to dwarf planet.