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  1. Neptune - Wikipedia

    Neptune orbits the Sun once every 164.8 years at an orbital distance of 30.1 astronomical units (4.5 billion kilometres; 2.8 billion miles). It is named after the Roman god of the sea and has …

  2. Neptune Facts - NASA Science

    Apr 21, 2025 · One day on Neptune takes about 16 hours (the time it takes for Neptune to rotate or spin once). And Neptune makes a complete orbit around the Sun (a year in Neptunian time) …

  3. Neptune: Size, distance from the Sun, orbit | Astronomy.com

    Oct 20, 2023 · Distance from the Sun: Neptune is the eighth planet from the Sun. It orbits at an average distance of 2.8 billion miles (4.5 billion km), thirty times farther than Earth.

  4. Orbit & Rotation of Neptune : Planet Neptune ’s Year, Day

    The average distance between the Sun and Neptune is 4.55 billion km, and Neptune completes its orbit every 164.79 years; a year on Neptune is 164.79 Earth years.

  5. Neptune | Planet, Moons, Rings, Temperature, Mass, Diameter,

    Oct 5, 2025 · Neptune, third most massive planet in the solar system and the eighth and outermost planet from the Sun. Neptune has 14 moons, only two of which were discovered …

  6. Understanding Neptune's Orbit: How It Shapes and Influences Its ...

    May 17, 2023 · Neptune orbits around the sun at an average distance of 2.8 billion miles or 4.5 billion kilometers away from it. This vast distance makes it one of the coldest planets in our …

  7. Planet Neptune | Royal Observatory Greenwich

    The planet Neptune is the eighth and furthest planet from the Sun and orbits the Sun every 165 years at a mean distance of 30 times that of the Earth. It has a diameter of 48,000 km and a …

  8. Neptune Facts: How Many Moons & Rings Does Neptune Have | Neptune

    Oct 13, 2025 · Neptune takes about 165 Earth years to complete one orbit around the Sun. As the axial tilt of Neptune is similar to those of Mars and our planet, the ice giant has seasons just …

  9. Neptune planet | Canadian Space Agency

    Neptune takes 165 years to complete one full orbit around the Sun. A view of three features in Neptune's atmosphere taken by the Voyager 2 spacecraft (from top to bottom): the Great Dark …

  10. Neptune: Blue Giant, Orbit, And Distance From Sun

    Mar 20, 2025 · The Sun’s gravity is constantly tugging on Neptune, keeping it in its elliptical orbit. Without that pull, Neptune would just zoom off on a tangent, becoming a rogue planet …