%N nuts %F $MIR/src/subs/ephem.for
%D Return nutation parameters.
%P rjs
%: utilities
%B
        subroutine nuts(jday,dpsi,deps)

        implicit none
        double precision jday,dpsi,deps

  Return nutation parameters. The claimed accuracy is 1 arcsec.

  Input:
    jday       Julian date.
  Output:
    dpsi,deps  Difference between mean and true ecliptic latitude and
               longitude due to nutation, in radians.

  Reference:
    Explanatory Supplmenet, page 120.
