trueNode function

double trueNode(
  1. double jde
)

Longitude of the true ascending node.

Implementation

double trueNode(double jde) {
  final dmf = _dmf(j2000Century(jde));
  final d = dmf[0], m = dmf[1], mp = dmf[2], f = dmf[3];
  return mod2pi(node(jde) + toRad(
      -1.4979 * math.sin(2 * (d - f)) +
      -0.15 * math.sin(m) +
      -0.1226 * math.sin(2 * d) +
      0.1176 * math.sin(2 * f) +
      -0.0801 * math.sin(2 * (mp - f))));
}