CAAPhysicalMoon_CalculateTopocentric: CAAPhysicalMoon_CalculateTopocentric

In helixcn/skycalc: Computational Astronomy in R based on PJ Naughter's AA+ library

Description

CAAPhysicalMoon_CalculateTopocentric

Usage

CAAPhysicalMoon_CalculateTopocentric(JD, Longitude, Latitude)

Arguments

JD	The date in Dynamical time to calculate for. JD The date in Dynamical time to calculate for.
Longitude	Longitude The topocentric longitude in degrees of the position to perform the calculation for.
Latitude	Latitude The topocentric latitude in degrees of the position to perform the calculation for.

Value

A class containing

ldash The optical libration in longitude in degrees.

bdash The optical libration in latitude in degrees.

ldash2 The physical libration in longitude in degrees.

bdash2 The physical libration in latitude in degrees.

l The total libration in longitude in degrees.

b The total libration in latitude in degrees.

P The position angle in degrees of the Moon's axis of rotation.

Author(s)

C++ code by PJ Naughter, imported to R by Jinlong Zhang

References

Meeus, J. H. (1991). Astronomical algorithms. Willmann-Bell, Incorporated.

Examples

CAAPhysicalMoon_CalculateTopocentric(JD  = 2456597.5, Longitude = 120, Latitude = 33)

helixcn/skycalc documentation built on March 31, 2021, 5:45 a.m.