SofaC2i00b Method

Form the celestial-to-intermediate matrix using the IAU 2000B precession-nutation model.

Definition

Namespace: ASCOM.Tools
Assembly: ASCOM.AstrometryTools (in ASCOM.AstrometryTools.dll) Version: 3.0.0-rc.1+86c25ce733aebb4d8b1b8a62e84770ea5e972bea

C#

public static void C2i00b(
	double date1,
	double date2,
	double[] rc2i
)

VB

Public Shared Sub C2i00b ( 
	date1 As Double,
	date2 As Double,
	rc2i As Double()
)

Parameters

date1 Double: TT as a 2-part Julian Date (part 1).
date2 Double: TT as a 2-part Julian Date (part 2).
rc2i Double: Returned celestial-to-intermediate matrix (row-major, length 9).

Remarks

This routine is faster, but slightly less accurate (about 1 mas), than C2i00a(Double, Double, Double).

Exceptions

ArgumentNullException	Thrown if any array parameter is null.
ArgumentException	Thrown if any array parameter has incorrect length.

Version Information

.NET Standard

Supported in: 2.0