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An alternate means for obtaining SPICE data is to use the PDS Central Catalog's
Data Search mechanism. This catalog provides access to archived SPICE data
for NASA missions no matter at which PDS node they are archived.
Enter "spice" and any other relevant word(s) in the search field box and press the search button. For example, you might enter "spice MRO" or "cassini spice" or "SPICE MEX." The search engine will return one or more hits pointing to archived SPICE data. (It also will almost always return references to archived instrument data for the named mission since documentation for those data usually include references to SPICE.)
Once you select a SPICE data set from the search results a new window will appear, offering a variety of information. Near the top you will be offered the opportunity to "Search for products with the Basic Browser." This selection is very likely NOT the one you want as it provides access only to individual SPICE kernels—not the entire collection and allied documentation. For more information look at
searching for SPICE data in the PDS Central Catalog.
You may also select the dataset name next to the "Dataset Information" heading. Picking this will display a very useful overview of the entire data set. (In PDS lingo it is the "dataset.cat" file.) If you are not already familiar with the mission's SPICE data, it will be worthwhile to read this.
Finally you may select "NAIF Online Resources" next to the "Other Resources" heading. This will take you directly to the online dataset at the NAIF node. Here you can find and download individual files. But most users should obtain the entire SPICE dataset. To download the entire data set use the URL of the Volume FTP Link in wget or a similar download utility, such as FileZilla. See
download help for helpful suggestions.
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