SofaNum00a Method

public static void Num00a(
	double date1,
	double date2,
	double[] rmatn
)

Public Shared Sub Num00a ( 
	date1 As Double,
	date2 As Double,
	rmatn As Double()
)

Parameters

date1  Double

The first part of the Julian Date representing the Terrestrial Time (TT) of the desired date. Typically, this is the integer part of the Julian Date.

date2  Double

The second part of the Julian Date representing the Terrestrial Time (TT) of the desired date. This is usually the fractional part of the Julian Date. The sum of date1 and date2 gives the full Julian Date.

rmatn  Double

When the method returns, contains a 3×3 nutation matrix in row-major order. The array must have a length of at least 9 elements.

Reference