A part of Neptune's orbit extends beyond that of Pluto.
Neptune's, at times.
it used to vary between neptune and Pluto due to plutos unusual orbit. but since Pluto was declared not a planet. it is neptune.
Uranus is the planet that was discovered beyond the orbit of Saturn. It was discovered on March 13, 1781 by William Herschel.
Sedna is a dwarf planet. It is to far away to be one of plutos moons and is proved to orbit the sun
John Tombaugh
Uranus
20 years
No. Ceres is a dwarf planet and orbits inside the orbit of Jupiter.
Plutos orbit is highly eccentric - during one rotation of the sun its distance from the sun can vary considerably. For 20 years of each of its orbit - a small fraction, it is closer to the sun than Neptune, which has much more of a regular orbit. Neptune is now the furthest planet again as of 2006. This time its for another reason - Pluto is no longer classed as a planet, but is instead a Dwarf Planet.
Plutos Orbits length is unusually longer than other planets orbits.But its width is shorter than Neptunes orbit. So at one point in Plutos orbit it is closer to the sun than Neptune. Its estimated time to orbit is around 250 years
All of the 8 planets that orbit the Sun are in the same general plane. That is that they are all flat. Pluto's orbit is not flat like the rest of the planets. It is like it got caught while passing by. Some think that it is a burned out comet. It is a dwarf planet, no longer considered to be a real planet.
For 20 years of its 246 year orbit, Dwarf planet Pluto is closer to the sun than Neptune. So Neptune is futher out for a while. Since Plutos de-classification to a Dwarf planet though, Neptune now remains the furthest planet at all times.