mercuryEastElongation function

({double elongation, double jde}) mercuryEastElongation(
  1. double year
)

JDE and elongation (radians) of greatest eastern elongation of Mercury.

Implementation

({double jde, double elongation}) mercuryEastElongation(double year) {
  return _el(year, _micA, _met, _mee);
}