CAAPhysicalMoon_TimeOfSunrise: CAAPhysicalMoon_TimeOfSunrise

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

Description

CAAPhysicalMoon_TimeOfSunrise

Usage

CAAPhysicalMoon_TimeOfSunrise(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 selenographic longitude in degrees of the position to perform the calculation for.
Latitude	Latitude The selenographic latitude in degrees of the position to perform the calculation for.

Value

Returns the nearest Julian date in Dynamical time when the Sun rises at the specified lunar location. This value will always be earlier than the parameter "JD"

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_TimeOfSunrise(JD = 2455383.5, Longitude = 300, Latitude = 10)
 

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