System Builder is not a simulation. Systems created with it are not gaurenteed to be stable when loaded into Orbit Toy.
The following star systems are included with the download
- Sol, including all recognized planets and dwarf planets, with several of their moons.
- 55 Cnc
- HD 10180
Extrasolar planet data was taken from http://exoplanets.org/. Systems were chosen that have five or more planets and enough data to make for interesting orbits.
If you find any problems with the program, or produce any interesting star systems, please let me know!