Tony

Unfortunately there is no easy way to do this. All the orbital elements are with respect to the ecliptic in Gravity Simulator. Exosystems will have their own plane. You're probably going to have to do all the math yourself, and enter the individual x,y,z position and velocity vectors. There's another problem with making two star systems that far from each other. Gravity Simulator uses double precision variables. These are 15 digits long. The highest integer it can count to is 999,999,999,999,999. The positions of objects in our solar system out to Neptune can expressed to the nearest centimeter. But farther than that you lose accuracy. At 10 light years you can only specify a position accurate to 100 meters using doubleprecision. Further is even worse. If you go out a few thousand light years, the orbits start doing weird stuff because of this lack of accuracy.
