Function sgp4::julian_years_since_j2000_afspc_compatibility_mode

source ยท 
pub fn julian_years_since_j2000_afspc_compatibility_mode(
    datetime: &NaiveDateTime
) -> f64
Expand description

Returns the number of years since UTC 1 January 2000 12h00 (J2000) using the AFSPC expression

This function should be used if compatibility with the AFSPC implementation is needed