//Static methods
///////////////////////////// Implementation //////////////////////////////////
public static CAANodeObjectDetails PassageThroAscendingNode(CAAEllipticalObjectElements elements)
{
var v = CAACoordinateTransformation.MapTo0To360Range(-elements.w);
v = CAACoordinateTransformation.DegreesToRadians(v);
var E = Math.Atan(Math.Sqrt((1 - elements.e) / (1 + elements.e)) * Math.Tan(v/2))*2;
var M = E - elements.e *Math.Sin(E);
M = CAACoordinateTransformation.RadiansToDegrees(M);
var n = CAAElliptical.MeanMotionFromSemiMajorAxis(elements.a);
var details = new CAANodeObjectDetails {t = elements.T + M/n, radius = elements.a*(1 - elements.e*Math.Cos(E))};
return details;
}
public static CAANodeObjectDetails PassageThroAscendingNode(CAAParabolicObjectElements elements)
{
double v = CAACoordinateTransformation.MapTo0To360Range(-elements.w);
v = CAACoordinateTransformation.DegreesToRadians(v);
double s = Math.Tan(v / 2);
double s2 = s *s;
CAANodeObjectDetails details = new CAANodeObjectDetails();
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 CAANodeObjectDetails PassageThroAscendingNode(CAAParabolicObjectElements elements)
{
double v = CAACoordinateTransformation.MapTo0To360Range(-elements.w);
v = CAACoordinateTransformation.DegreesToRadians(v);
double s = Math.Tan(v / 2);
double s2 = s * s;
CAANodeObjectDetails details = new CAANodeObjectDetails();
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 CAANodeObjectDetails PassageThroDescendingNode(CAAEllipticalObjectElements elements)
{
double v = CAACoordinateTransformation.MapTo0To360Range(180 - elements.w);
v = CAACoordinateTransformation.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 = CAACoordinateTransformation.RadiansToDegrees(M);
double n = CAAElliptical.MeanMotionFromSemiMajorAxis(elements.a);
CAANodeObjectDetails details = new CAANodeObjectDetails();
details.t = elements.T + M / n;
details.radius = elements.a * (1 - elements.e * Math.Cos(E));
return(details);
}
public static CAANodeObjectDetails PassageThroDescendingNode(CAAParabolicObjectElements elements)
{
var v = CAACoordinateTransformation.MapTo0To360Range(180 - elements.w);
v = CAACoordinateTransformation.DegreesToRadians(v);
var s = Math.Tan(v / 2);
var s2 = s *s;
var details = new CAANodeObjectDetails
{
t = elements.T + 27.403895*(s2*s + 3*s)*elements.q*Math.Sqrt(elements.q),
radius = elements.q*(1 + s2)
};
return details;
}
