What Is 1 Au from the Sun

astronomical unit (AU, or au), a unit of length effectively equal to the average, or mean, distance between Earth and the Sun, defined as 149,597,870.7 km (92,955,807.3 miles).

How far away is planet 9 from the sun in AU?

Planet Nine: Just the stats They estimate Planet Nine to be about 6.2 Earth masses, with an orbit that takes it from 300 astronomical units (AU, with 1 AU being the distance from Earth to the sun) out to 380 AU from the sun.

Which planet's distance from the sun is closest to 1 AU?

The challenge of elliptical orbits Over the course of a year, Earth moves sometimes closer to the sun and sometimes farther away from the sun, according to NASA. Earth’s closest approach to the sun, called perihelion, comes in early January and is about 91 million miles (146 million km), just shy of 1 AU.