public static AASNodeObjectDetails PassageThroAscendingNode(ref AASParabolicObjectElements elements)
{
double v = AASCoordinateTransformation.MapTo0To360Range(-elements.w);
v = AASCoordinateTransformation.DegreesToRadians(v);
double s = Math.Tan(v / 2);
double s2 = s * s;
AASNodeObjectDetails details = new AASNodeObjectDetails();
details.t = elements.T + 27.403895 * (s2 * s + 3 * s) * elements.q * Math.Sqrt(elements.q);
details.radius = elements.q * (1 + s2);
return(details);
}
public static AASNodeObjectDetails PassageThroDescendingNode(ref AASEllipticalObjectElements elements)
{
double v = AASCoordinateTransformation.MapTo0To360Range(180 - elements.w);
v = AASCoordinateTransformation.DegreesToRadians(v);
double E = Math.Atan(Math.Sqrt((1 - elements.e) / (1 + elements.e)) * Math.Tan(v / 2)) * 2;
double M = E - elements.e * Math.Sin(E);
M = AASCoordinateTransformation.RadiansToDegrees(M);
double n = AASElliptical.MeanMotionFromSemiMajorAxis(elements.a);
AASNodeObjectDetails details = new AASNodeObjectDetails();
details.t = elements.T + M / n;
details.radius = elements.a * (1 - elements.e * Math.Cos(E));
return(details);
}
