"JUDO" stands for "JAXA Universe Data Oriented". With JUDO, you will be able to navigate Universe while observing various kinds of astronomical data, primarily taken by JAXA's astronomical satellites. JUDO is also an entrance of JAXA's space science archives "DARTS" from which you may freely download the public data for your own research.
As of March 2007, we have started the project with a few dozens of Suzaku public data. All the Suzaku public data will be available via JUDO, and we will be adding more satellite data (such as Akari, ASCA) and other astronomical data.
Please enjoy, and we appreciate your comments and suggestions.