NovasNutation Method

public static void Nutation(
	double JdTdb,
	NutationDirection Direction,
	Accuracy Accuracy,
	double[] Pos,
	ref double[] Pos2
)

Public Shared Sub Nutation ( 
	JdTdb As Double,
	Direction As NutationDirection,
	Accuracy As Accuracy,
	Pos As Double(),
	ByRef Pos2 As Double()
)

Parameters

JdTdb  Double

TDB Julian date of epoch.

Direction  NutationDirection

Flag determining 'direction' of transformation; direction = 0 transformation applied, mean to true; direction != 0 inverse transformation applied, true to mean.

Accuracy  Accuracy

Selection for accuracy

Pos  Double

Position vector, geocentric equatorial rectangular coordinates, referred to mean equator and equinox of epoch.

Pos2  Double

Position vector, geocentric equatorial rectangular coordinates, referred to true equator and equinox of epoch.

Reference