Neptune is the eighth planet from the sun, and it's about 2.8 billion miles away from the sun. This distance is roughly 30 times further away from the sun than Earth is, making Neptune a cold and dark planet. More »

The eight described planets all orbit the Sun at different distances; Mercury is the closest planet to the sun, followed by Venus, then Earth, Mars, Jupiter, Saturn, Uranus and Neptune. The distances of the planets are n... More »

The distance between Mercury and Neptune, the most distant from one another, is 2,757,998,586 miles, or 29.67 AU. The distance between the planets in the solar system is based on the astronomical unit, AU, where 1 AU equ... More »

One year on Neptune is equal to around 165 Earth years or 60,190 Earth days, which is the amount of time it takes the planet to complete its orbit around the sun. Days on Neptune last about 16 hours, which is 8 hours les... More »

Neptune is the solar system's farthest planet from the sun, located an average of 2.79 billion miles away. The circumference of its orbit is 17.56 billion miles, more than 30 times the orbit circumference of Earth. Its v... More »

According to NASA, Neptune makes a complete orbit around the sun in 60,190 Earth days, which is approximately 165 Earth years. This equates to one year on Neptune. More » Science Astronomy Planets

Due to its elliptical orbit, Neptune's distance from the Sun fluctuates between 2.77 and 2.82 billion miles. The eighth planet in the solar system, Neptune is also the furthest from the Sun. More » Science Astronomy Planets