ORSA is an interactive tool for scientific grade Celestial Mechanics
computations. Asteroids, comets, artificial satellites, Solar and extra-Solar
planetary systems can be accurately reproduced, simulated, and analyzed.
Features
* 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
WWW: http://orsa.sourceforge.net/
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