Ixion is a centaur, which is a type of icy body that orbits the Sun in a highly elliptical path. Because of this, the distance from Ixion to the Sun varies greatly.

At its closest point (perihelion), Ixion is about 4.2 AU (astronomical units) from the Sun. This is about 630 million kilometers or 390 million miles.

At its furthest point (aphelion), Ixion is about 27 AU from the Sun. This is about 4 billion kilometers or 2.5 billion miles.

For comparison, Earth is 1 AU from the Sun.

Therefore, the distance of Ixion from the Sun is not a fixed value, but rather a range depending on its position in its orbit.