General Mission Analysis Tool

{{Use dmy dates|date=October 2017}}

{{Infobox software

| name = General Mission Analysis Tool

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| released = 2007{{cite conference |last1=Hughes |first1=Steven P. |last2=Conway |first2=Darrel J. |last3=Parker |first3=Joel |title=Using the General Mission Analysis Tool (GMAT) |url=https://core.ac.uk/download/pdf/80605179.pdf |conference=AAS Guidance and Control Conference |year=2017 }}

| latest_release_version = R2022a

| latest_release_date = {{Start date and age|2023|1}}

| operating system = Microsoft Windows, Linux, macOS

| programming language = C++

| genre = Technical computing

| license = Apache License 2.0

| website = [https://gmat.atlassian.net/wiki/spaces/GW/overview GMAT Wiki]

}}

General Mission Analysis Tool (GMAT) is open-source space mission analysis software developed by NASA and private industry.{{cite conference |last1=Hughes |first1=Steven P. |last2=Qureshi |first2=Rizwan H. |last3=Cooley |first3=Steven D. |last4=Parker |first4=Joel J. |title=Verification and Validation of the General Mission Analysis Tool (GMAT) |url=https://ntrs.nasa.gov/api/citations/20140017798/downloads/20140017798.pdf |conference=AIAA/AAS Astrodynamics Specialist Conference |year=2014 }}

It has been used for several missions, including LCROSS, the Lunar Reconnaissance Orbiter, OSIRIS-REx, the Magnetospheric Multiscale Mission, and the Transiting Exoplanet Survey Satellite (TESS) mission.{{cite web |url=https://gmat.atlassian.net/wiki/spaces/GW/overview |title=GMAT Wiki - Overview |date=2022-01-05 |accessdate=2022-01-05 }}

GMAT is an open-source alternative to software like Systems Tool Kit and FreeFlyer.