SofaApcs Method

public static void Apcs(
	double date1,
	double date2,
	double[] pv,
	double[] ebpv,
	double[] ehp,
	ref SofaAstrom astrom
)

Public Shared Sub Apcs ( 
	date1 As Double,
	date2 As Double,
	pv As Double(),
	ebpv As Double(),
	ehp As Double(),
	ByRef astrom As SofaAstrom
)

Parameters

date1  Double

TDB as a 2-part Julian Date (part 1).

date2  Double

TDB as a 2-part Julian Date (part 2).

pv  Double

Observer barycentric position/velocity (length 6).

ebpv  Double

Earth barycentric position/velocity (length 6).

ehp  Double

Earth heliocentric position (length 3).

astrom  SofaAstrom

Returned star-independent astrometry parameters.

Reference