state abstract method

StateVector state(
  1. int target,
  2. int center,
  3. double et
)

Position and velocity of target relative to center (NAIF codes) at et (TDB seconds past J2000), in the ICRF/J2000 frame, in km and km/s.

Throws ArgumentError if there is no data for the body at that moment.

Implementation

StateVector state(int target, int center, double et);