The reader might like to refer back to Section 2.3, especially the part that deals with the polar Equation to an ellipse, to be reminded of the meanings of the angles \(θ\), \(ω\) and \(v\), which, in...The reader might like to refer back to Section 2.3, especially the part that deals with the polar Equation to an ellipse, to be reminded of the meanings of the angles \(θ\), \(ω\) and \(v\), which, in an astronomical context, are called, respectively, the argument of latitude, the argument of perihelion and the true anomaly.
