//[astronomy](../../../index.md)/[io.github.cosinekitty.astronomy](../index.md)/[Ecliptic](index.md)/[vec](vec.md) # vec val [vec](vec.md): [Vector](../-vector/index.md) 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.