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The '''Planetary Data System''' ('''PDS''') is a distributed data system that [[NASA]] uses to archive data collected by [[Solar System]] missions.
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==PDS archiving philosophy==
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The main objective of the PDS is to maintain a planetary data archive that will withstand the test of time such that future generations of scientists can access, understand and use preexisting planetary data. The PDS tries to ensure compatibility of the archive by adhering to strict standards of storage media, archiving formats, and required documentation.
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==Nodes==
The PDS is composed of 8 nodes, 6 science discipline nodes<ref>{{Cite web|title = NASA Issues New Awards for Planetary Data System|url = http://www.prnewswire.com/news-releases/nasa-issues-new-awards-for-planetary-data-system-300157414.html|website = www.prnewswire.com|accessdate = 2015-10-16}}</ref> and 2 support nodes. In addition, there are several subnodes and data nodes whose exact status tends to change over time.{{cn}}
===Science discipline nodes===
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* Atmospheres Node - handles non-imaging atmospheric data ([[New Mexico State University]])
* Geosciences Node - handles data of the surfaces and interiors of terrestrial planetary bodies ([[Washington University]])
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===Support nodes===
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* Engineering Node - provides systems engineering support to the PDS ([[Jet Propulsion Laboratory]])
* Navigation and Ancillary Information Facility (NAIF) Node - maintains the [[Space Planet Instrument C-matrix Events|SPICE]] information system ([[Jet Propulsion Laboratory]])
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==Organizational Structure==
The PDS is divided into a number of science discipline "nodes" which are individually curated by planetary scientists.{{cn}}
The PDS Management Council serves as the Technical Policy Board of the PDS, and provides findings for NASA with respect to planetary science data management, ensures coordination among the nodes, guarantees responsiveness to customer needs, and monitors the appropriate uses of evolving information technologies that may make PDS tasks both more efficient and more cost effective.<ref>{{Cite web|title = PDS: PDS Requirements|url = https://pds.nasa.gov/roadmap/pds_level123_requirements_20170420.pdf|website = pds.nasa.gov|accessdate = 2017-08-16}}</ref> It is formed by the [[Principal investigator|principal investigators]] of the science discipline nodes, along with the leaders of the Technical Support Nodes, the Project Manager, and Deputy Project Manager.
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==Roadmap 2017–2026==
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NASA and the PDS recently engaged in development of a Roadmap for the period 2017 to 2026. The purpose of the roadmap effort was to outline a strategy for moving forward in planetary data archiving under the auspices of a rapidly growing data volume (nearly 1 petabyte at present), new computing capabilities, tools, and facilities, and a growing community of planetary science investigators.<ref>{{Cite web|title = PDS: PDS Roadmap 2017 to 2026|url = https://pds.nasa.gov/roadmap/PlanetaryDataSystemRMS17-26_20jun17.pdf|website = pds.nasa.gov|accessdate = 2017-08-16}}</ref>
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