Hello GMAT users, The NASA GSFC General Mission Analysis Tool (GMAT) development team is pleased to announce the release of GMAT version R2025a. The release binaries for various operating systems are available at the following location on SourceForge: https://sourceforge.net/projects/gmat/files/GMAT/GMAT-R2025a/
A few of the new features in this release include multi-body harmonic gravity for mission design in production mode, enhanced optimizer monitoring/controls, enhancements to the external force model plugin, updates to the factory management system that allows the replacement of internal components with customized replacement objects through GMAT plugins, additional coordinate system options, new operational data types for orbit determination (navigation), a new JSON output option for the BLS estimator data file containing observation and residual data records, and K-band frequency support. In addition, the GMAT API interface has been updated to provide support for commands and a supplemental GMAT API Cookbook has been bundled with the release. For a complete list of new features, compatibility changes, and bug fixes in R2025a, see the Release Notes at the following JIRA location (login required) or in the User Guide that is bundled with the release: https://gmat.atlassian.net/projects/GMT/versions/11503 For additional information on GMAT, read through our recently featured article in the SPARK Software Edition Volume 22 | Number 4 | Fall 2024 (https://partnerships.gsfc.nasa.gov/wp-content/uploads/The_Spark_Fall_2024_DIGITAL-S.pdf#page=10) and browse through our recently released GMAT training slides (https://ntrs.nasa.gov/citations/20250002235). During your usage of R2025a if you come across an issue with the software, have a suggestion for an enhancement, or have an inquiry on the validity of a particular output, feel free to submit a ticket in our JIRA ticketing system (https://gmat.atlassian.net/jira). Feel free to forward this email to individuals you think would be interested. Thanks, [NASA Meatball Logo]<https://www.nasa.gov/> Edwin Dove Flight Dynamics Software Systems Engineer GMAT Product Development Lead (PDL) NASA Goddard Space Flight Center Navigation & Mission Design Branch (Code 595)
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