class pyfes.core.AstronomicAngle

__init__(self: pyfes.core.AstronomicAngle, formulae: pyfes.core.Formulae = <Formulae.kSchuremanOrder1: 0>) → None

Build an astronomic angle object.

Parameters:

formulae – Formulae used to compute the astronomic angles. Default is Schureman order 1.

Attributes

h	Mean longitude of the sun
i	Obliquity of lunar orbit with respect to earth's equator
n	Longitude of the moon's node
nu	Right ascension of lunar intersection
nuprim	Term in argument of lunisolar constituent \(K_{1}\)
nusec	Term in argument of lunisolar constituent \(K_{2}\)
p	Mean longitude of lunar perigee
p1	Mean longitude of solar perigee
r	Term in argument of constituent \(L_{2}\)
s	Mean longitude of the moon
t	Hour angle of mean sun
x1ra	Factor in amplitude of constituent \(L_{2}\)
xi	Longitude in the moon's orbit of lunar intersection