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 the …

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) in about 165 …

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.

Feb 13, 2026 · Neptune’s orbit is almost perfectly circular; as a result, its distance from the Sun varies comparatively little over its nearly 164-year period of revolution.

Sep 10, 2025 · Neptune follows a near-circular, low-inclination orbit around the Sun and rotates quickly on its axis, resulting in short days and long seasons. Its slow journey through space and tilted axis …

Aug 30, 2025 · Understand the immense time it takes Neptune to orbit the Sun, the scientific principles involved, and how astronomers measure such distant paths.

Explore the Solar System in real time! Track all planets, dwarf planets, asteroids, and satellites with interactive positions, distances, and orbital data.

* 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) in about 165 Earth years …

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 Spot …

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.