CAAIlluminatedFraction_IlluminatedFraction_2: CAAIlluminatedFraction_IlluminatedFraction_2
In helixcn/skycalc: Computational Astronomy in R based on PJ Naughter's AA+ library

Description Usage Arguments Value Author(s) References Examples

View source: R/CAAIlluminatedFraction_IlluminatedFraction_2.R

CAAIlluminatedFraction_IlluminatedFraction_2

1	CAAIlluminatedFraction_IlluminatedFraction_2(r, R, Delta)

`r`	r The planet's distance to the Sun in astronomical units.
`R`	R The distance of the Sun from the Earth in astronomical units.
`Delta`	Delta The planet's distance from the Earth in astronomical units.

PhaseAngle The planet's phase angle in degrees.

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

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

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MoonGeocentricElongation = CAAMoonIlluminatedFraction_GeocentricElongation(8.97922, 13.7684, 1.377194, 8.6964);
MoonPhaseAngle = CAAMoonIlluminatedFraction_PhaseAngle(MoonGeocentricElongation, 368410, 149971520);
MoonIlluminatedFraction = CAAMoonIlluminatedFraction_IlluminatedFraction(MoonPhaseAngle);