Function orbitState

orbitState(
    el: OrbitalElements,
    gm: number,
    time: number,
    out?: OrbitState,
): OrbitState
Position and velocity at time (seconds since J2000) relative to the parent.
Parameters
- el: OrbitalElements
- gm: number
  Parent's gravitational parameter, m³/s². Only used when el.period is 0.
- time: number
- out: OrbitState = ...
Returns OrbitState
- Defined in sky/src/kepler.ts:92