This simulation contains the Sun, all known planets and moons, and all other known Solar System objects with radii over 100 km. A selection of well known comets is also included.
The positions, velocities, and orbital elements of all objects are accurate, as are the masses and radii of all large objects. The masses and radii of some of the smaller objects are not accurately known, and the figures used in this simulation are reasonable guesses. The comets have all had their masses and radii estimated from their absolute magnitudes.
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