ub function

({double b, double deltaU}) ub(
  1. double jde,
  2. Planet earth,
  3. Planet saturn
)

Simpler function returning just ΔU and B.

Implementation

({double deltaU, double b}) ub(double jde, Planet earth, Planet saturn) {
  final r = ring(jde, earth, saturn);
  return (deltaU: r.deltaU, b: r.b);
}