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Download JMARS

Download Options

For Beginning Users: Click on the name of your operating system in the list below to download JMARS

For Experienced Users: If you already have Java 1.5 or later installed, you can also install JMARS using the WebStart version, which will automatically update your software as new versions of JMARS are made available.

For Advanced Users: You can also download the JMARS jar file, which is the raw program executable.

Download JMARS (Public version)

System Requirements

The JMARS client is designed to be small, but it can accumulate a lot of data from the server with heavy use. The minimum recommended system requirements are:

  • Java Runtime 1.5 or later (required)
  • A 24 bit video sub-system (required)
  • DSL, Cable, T-1 or better network connection (128Kbps) (recommended)
  • 512MB of RAM (recommended)
  • Display capable of a resolution of 1024x768 (recommended)

JMARS Beta

JMoon Beta

JEarth Beta

Get a JMARS Account

You'll need an account to take advantage of advanced features in JMARS. You may log in here if you already have a JMARS or Mars Space Flight Facility account.
Account information
Your full name or your preferred username; only letters, numbers and spaces are allowed.
A password and instructions will be sent to this e-mail address, so make sure it is accurate.

Release Notes

Version Release Datesort icon Summary
Release 1.17 Sat, 2009-11-07

This release includes updated nomenclature data, an option to disable the panner view, TES context import/export options, several fixes to restoring saved JMARS sessions, and a number of other stability and rendering fixes.
Release 1.16 Tue, 2009-10-27

This release of JMARS allows users to pull stamps into HSV or RGB blends in the map layer, to load stamps that overlap stamps in an existing stamp layer, and includes a number of user interface and stability improvements in the crater counting, map,...

Release 1.15 Wed, 2009-09-09

This is a minor bug fix release. It fixes an authentication issue for Webstart users with non-US English operating systems, and includes several minor changes to the new crater counting layer. Included in these are a new transparency option on the...

Release 1.14 Fri, 2009-09-04

This is a major release, providing a dozen new features all over JMARS and closing over 50 issues. There are two new layers. The map scalebar shows a distance scale bar in the corner of the map. The crater counter provides an efficient user...

Release 1.13 Tue, 2008-12-16

Minor changes to public release.
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