double GetEarthPositionAngle(void) const { return earthPosAngle; }
double GetEarthPositionAngleDeg(void) const { return earthPosAngle*radtodeg;}
double GetGAccel(double r) const;
double GetEarthPositionAngle(void) const { return earthPosAngle; }
double GetEarthPositionAngleDeg(void) const { return earthPosAngle*radtodeg;}
double GetGAccel(double r) const;