Welcome to the JMARS website

JMARS is an acronym that stands for Java Mission-planning and Analysis for Remote Sensing. It is a geospatial information system (GIS) developed by ASU's Mars Space Flight Facility to provide mission planning and data-analysis tools to NASA scientists, instrument team members, students of all ages and the general public. JMARS has been available to the public since 2003. It is used in over 100 countries and has over 6,000 active users.

Users running JMARS older than 5.7.0 need to manually update

JMARS Announcements

2026/11/13 - Join us for Virtual office hours! November, 13th @12pm Arizona time

Come talk to JMARS Developers and ask any questions you may have!
2026/11/06 - JMARS release 5.7.5

JMARS version 5.7.5 makes polyline joining smoother in the Shape Layer and improves clarity and readability in the Landing Layer.
2026/10/30 - JMARS release 5.7.4

JMARS version 5.7.4 improves the Landing Layer with custom site sizes and smoother rotation, along with clearer navigation and fixes in the Add Layer Dialog.
2026/10/01 - JMARS release 5.7.3

JMARS version 5.7.3 improves the Select Overlapping Features function, making it easier to work directly with the resulting overlapping features.

JMARS Features

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Information

Weekly Virtual Office Hours

Have any questions? On Friday November, 13th @12pm MST, Come join us for office hours on Zoom to learn and ask any questions you might have! Click Here for more information

Join Us On Discord - The JMARS discord server is a great place to interact with other JMARS users, ask the JMARS team questions and share JMARS information.

CryoMars Workshop JMARS Tutorials Click Here

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JMARS Public Downloads

	The following JMARS installer is likely the best for your system: This JMARS installation includes several planetary bodies, such as Mars, Earth, Earth's moon, Mercury, Venus and many more Show other JMARS installers: Win_64 \| Mac_OS \| Linux_64 Need help? Instructions on installation are below.
	The following J-Earth installer is likely the best for your system: Show other J-Earth installers: Win_64 \| Mac_OS \| Linux_64
	The JMARS 2035 installer is no longer available. All functionality in the 2035 build is available in the standard version of JMARS. Please use the links above to install JMARS. If you would like the 2035 startup session, please download it here: 2035 session
	The JMARS MSIP installer is no longer available. All functionality in the MSIP build is available in the standard version of JMARS. Please use the links above to install JMARS.
	The JMARS Vesta installer is no longer available. All functionality in the JMARS Vesta build is available in the standard version of JMARS. Please use the links above to install JMARS.
	The JMARS Ceres installer is no longer available. All functionality in the JMARS Ceres build is available in the standard version of JMARS. Please use the links above to install JMARS.