How many AU is Mercury?

Answer 1

On the average, one. The astronomical unit is the distance from the sun to the earth. Since Mercury is inside earth's orbit and the distance between Earth and Mercury can vary by the full width of Mercury's orbit around the sun, the average is the distance between the Earth and the sun.

Answer 2

To calculate the area of an ellipse you multiply the semi-major axis times the semi-minor axis times pi. The problem with your question is that by definition 1 AU is our mean distance to the sun. Because our orbit is only a slight ellipse and because the calculations would almost have you multiplying 1 times 1 times pi you can essentially say that our orbital area in AU is very close to pi. Or 3.1415926....

Answer 3

Because Mercury and the Earth both orbit the sun, the distance between Earth and Mercury vary depending on where each planet is in its orbit. The Earth's orbital distance averages 1 AU; Mercury's orbit averages .38 AU.

So at the closest, Mercury is .62 AU away, and at the farthest, 1.38 AU.

Answer 4

The semi-major axis of mercury's orbit is 0.387 AU, or approximately 36 million miles.

Answer 5

The difference between Earth's perihelion and Mercury's aphelion is about 77.3 gigameters or about 0.517 au.

Answer 6

Mercury is approximately 0.39 astronomical units (AU) away from the Sun on average, with its distance varying due to its elliptical orbit.

Answer 7

Mercury is 0.39 AU

Answer 8

It is approx 0.52 AU.