protected void auto_ApA_offset()
 {
     if (AutoTimeToApA)
     {
         var dEcc     = C.AscentEccentricity - (float)VesselOrbit.eccentricity;
         var rel_dApA = (float)((TargetR - VesselOrbit.ApR) / (TargetR - Body.Radius) - 0.1);
         TimeToApA.Value = Mathf.Max(TrajectoryCalculator.C.ManeuverOffset * (1 + dEcc + rel_dApA),
                                     VSL.Torque.MaxCurrent.TurnTime);
         TimeToApA.ClampValue();
     }
 }