Function astro::ecliptic::mn_oblq_IAU [−] [src]

pub fn mn_oblq_IAU(JD: f64) -> f64

Computes the mean obliquity of the ecliptic using the IAU formula

Returns

The error in mn_oblq reaches 1 arcsecond over a period of 2000 years from 2000 AD, and about 10 arcseconds over a period of 4000 years from 2000 AD.

Arguments