Perigee

delphimoon

Perigee

Algohithms

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Calculates the date of the next perigee

 

function NextPerigee(date:TDateTime): TDateTime;

 

Description

Calculates the date of the perigee of the moon after the given date. Perigee is the minimal distance of the moon from the earth.

 

Reference

This function is based upon chapter 50 (48) of "Astronomical Algorithms".