description GMAT (General Mission Analysis Tool) Overview
The General Mission Analysis Tool (GMAT) is an open-source software system developed by NASA for space mission design and trajectory optimization. Written primarily in C++, it allows engineers and researchers to model spacecraft trajectories, calculate orbital maneuvers, and perform navigation analyses. The tool supports both high-level scripting and a graphical user interface to accommodate various mission profiles. It has been utilized in designing real-world spacecraft missions, including lunar transfers and Sun-Earth libration point orbits.
help GMAT (General Mission Analysis Tool) FAQ
What does NASA GMAT actually simulate?
GMAT models spacecraft trajectories, orbital maneuvers, mission events, and trajectory optimization. It can be used for missions ranging from low Earth orbit to lunar, libration-point, and deep-space flight.
Who developed the General Mission Analysis Tool?
GMAT was developed through work by NASA, private industry, and public contributors. Its main codebase is written primarily in C++.
Is GMAT free and open source?
GMAT is distributed as open-source NASA software rather than as a paid license such as a commercial mission-analysis package. The NASA GMAT repository identifies R2026a as a release from May 2026.
Can GMAT run on Windows and Linux?
GMAT is designed as a platform-independent tool, with established Windows and Linux versions. The project also has support for Mac-related workflows, although some MATLAB optimization features have platform limits.
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