Key featuresRealistic physics. Planetary motion, gravitation effects, free space and atmospheric flight are accurately modelled. You can land your ship at a space port on a planet surface, or dock to an orbital station. High resolution planetary maps provide some nice visual effects. Configurable environment. Users can add planets, space ships and space stations to the existing universe, or design a completely new solar system from scratch. The Orbiter Software Development Kit contains libraries and sample C++ code for addon developers who want to write plugins.