ORSA is an interactive tool for scientific grade Celestial Mechanics computations. Asteroids, comets, Solar, and extra-Solar planetary systems can be accurately reproduced, simulated, and analyzed.
Features: - accurate numerical algorithms - use of JPL ephemeris files for accurate planets positions - Qt-based graphical user interface - advanced 2D plotting tool and 3D OpenGL viewer - import asteroids and comets from all the known databases (MPC, JPL, Lowell, AstDyS, and NEODyS) - integrated download tool to update databases - stand alone numerical library liborsa - save and restore session from a single file
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