regression of nodes
The regression of nodes is the slow westward motion of the nodes of the Moon's orbit due to perturbations of Earth and the Sun. It amounts to 19.35° per year, or a full circle in 18.6 years.
The regression of nodes is the slow westward motion of the nodes of the Moon's orbit due to perturbations of Earth and the Sun. It amounts to 19.35° per year, or a full circle in 18.6 years.
