Document Collection Contents The document collection contains documentation files, where available, for this bundle. All document files will have an accompanying label file to describe content and structure. Label files have the same name as the main document file, with an extension of ".xml". pck_req.txt - pck_req.txt - PCK Required Reading, last revised on 15 Apr 2009 by B. V Semenov. The document provides information to assist in using and manipulating spice kernels. atlas_document.pdf - Atlas document - Supporting data for the Atlas shape model, including the coordinate system used, limitations of the model, and a list of Cassini ISS images used to produce it. pandora_document.pdf - Pandora document - Supporting data for the Pandora shape model, including the coordinate system used, limitations of the model, and a list of Cassini ISS images used to produce it. pan_document.pdf - Pan document - Supporting data for the Pan shape model, including the coordinate system used, limitations of the model, and a list of Cassini ISS images used to produce it. daphnis_document.pdf - Daphnis document - Supporting data for the Daphnis shape model, including the coordinate system used, limitations of the model, and a list of Cassini ISS images used to produce it. calypso_document.pdf - Calypso document - Supporting data for the Calypso shape model, including the coordinate system used, limitations of the model, and a list of Cassini ISS images used to produce it. epimetheus_document.pdf - Epimetheus document - Supporting data for the Epimetheus shape model, including the coordinate system used, limitations of the model, and a list of Cassini ISS images used to produce it. prometheus_document.pdf - Prometheus document - Supporting data for the Prometheus shape model, including the coordinate system used, limitations of the model, and a list of Cassini ISS images used to produce it. telesto_document.pdf - Telesto document - Supporting data for the Telesto shape model, including the coordinate system used, limitations of the model, and a list of Cassini ISS images used to produce it. janus_document.pdf - Janus document - Supporting data for the Janus shape model, including the coordinate system used, limitations of the model, and a list of Cassini ISS images used to produce it. helene_document.pdf - Helene document - Supporting data for the Helene shape model, including the coordinate system used, limitations of the model, and a list of Cassini ISS images used to produce it. hyperion_document.pdf - Hyperion document - Supporting data for the Hyperion shape model, including the coordinate system used (different from other saturnian satellites due to its chaotic rotation), limitations of the model, and a list of Cassini ISS images used to produce it. bundle_description.txt - Bundle description for the saturn_satellite_shape_models bundle - A document describing the content and structure of the bundle. ref.txt - Reference List - The reference list for the bundle. spacecraft.co.txt - Cassini Orbiter - Description document for Cassini Orbiter issna.co.txt - Description Document for Imaging Science Subsystem - Narrow Angle - A description of the Imaging Science Subsystem - Narrow Angle instrument mission.cassini-huygens.txt - Description document for Cassini-huygens - Description document for Cassini-huygens AA_Document_Index.txt - Document Index - The file you are reading. collection_saturn_satellite_shape_models_document_inventory.csv - Collection Inventory - An inventory of document products in this collection.