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Welcome to the JB2008 empirical thermospheric density model website. Please provide your name and email address if you desire to be notified about updates to the JB2008 model, and the availability of forecasts.

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Notice: Beginning 6 Oct 2012, JB2008 operations have been upgraded, and the JB2008 indices are now updated regularly at this website (note that most of these data released for public use will have an approximately 40-day lag from the current date). A number of significant improvements have been made to the JB2008 indices, which have been validated with 2001 and 2005 solar/geomagnetic data. For more information, contact spacenvironment@spacenvironment.net with "JB2008" in the subject line.

Last Website Update: 6 Oct 2012