vec.md

//astronomy/io.github.cosinekitty.astronomy/Ecliptic/vec

vec

val vec: Vector

Cartesian ecliptic vector, with components as follows: x: the direction of the equinox along the ecliptic plane. y: in the ecliptic plane 90 degrees prograde from the equinox. z: perpendicular to the ecliptic plane. Positive is north.