According to Sepharial, these are:
Sun: Circles, full curves, helical scrolls.
Moon: Irregular curves, crooked lines.
Mercury: Slender curves, short incisive lines.
Venus: Curved lines, rhythmic scrolls.
Mars: Sharp angles and barbs; fine straight lines.
Jupiter: Full generous curves.
Saturn: Cramped forms, straight short lines, sharp, clear-cut outlines.
Uranus: Mixed forms, broken lines.
Neptune: Curved lines, rhythmic curves, nebulous and chaotic forms.
Pluto. Heavy straight lines and sharp angles, in complex combinations.
