Do you want to go to Mars but don't know when to leave or how much to bring? Do you want to study Earth protection by planning a mission to a near-Earth asteroid? The General Mission Analysis Tool (GMAT) is an open-source space mission design tool to help you answer these and many other space flight challenges. GMAT is developed by a team of NASA, private industry, and public and private contributors.
GMAT R2014a is the second production-quality release of GMAT. It is rigorously tested with nearly 12000 automated scripts tests executed nightly and over 3400 automated GUI tests executed weekly, and features nearly 700 pages of quality end-user documentation. GMAT has been used to support the TESS, LCROSS , ARTEMIS, LRO, MMS, and OSIRIS-REx missions and numerous mission concepts.
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