<?xml version="1.0" encoding="utf-8"?>
<?xml-model href="https://pds.nasa.gov/pds4/pds/v1/PDS4_PDS_1700.sch" schematypens="http://purl.oclc.org/dsdl/schematron"?>
<Product_Document xmlns="http://pds.nasa.gov/pds4/pds/v1"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://pds.nasa.gov/pds4/pds/v1 https://pds.nasa.gov/pds4/pds/v1/PDS4_PDS_1700.xsd">

  <Identification_Area>
    <logical_identifier>urn:nasa:pds:a17photosupportdata:geom_orbital_photo_ephem:as17_ephem_data_descr</logical_identifier>
    <version_id>1.1</version_id>
    <title>Apollo 17 Metric (Mapping) and Panoramic Cameras Photographic Ephemeris Support Data
    Description</title>
    <information_model_version>1.7.0.0</information_model_version>
    <product_class>Product_Document</product_class>
    <Citation_Information>
      <publication_year>2017</publication_year>
      <description>This document describes the products in the Apollo 17 Metric (Mapping) and
      Panoramic Cameras Photographic Ephemeris Support Data Collection.</description>
    </Citation_Information>
    <Modification_History>
      <Modification_Detail>
        <modification_date>2018-08-15</modification_date>
        <version_id>1.1</version_id>
        <description>Updated the LID for Earth's moon.</description>
      </Modification_Detail>
      <Modification_Detail>
        <modification_date>2017-06-07</modification_date>
        <version_id>1.0</version_id>
        <description>Creation.</description>
      </Modification_Detail>
    </Modification_History>
  </Identification_Area>
  <Context_Area>
    <Time_Coordinates>
      <start_date_time>1972-12-10T21:41:30.846Z</start_date_time>
      <stop_date_time>1972-12-16T20:53:24.68Z</stop_date_time>
    </Time_Coordinates>
    <Primary_Result_Summary>
      <purpose>Science</purpose>
      <processing_level>Derived</processing_level>
      <description>Ephemeris data (spacecraft state vectors, camera orientation, photograph
      position, and lighting data) computed during the Apollo era for photographic images taken by
      the Apollo 17 Metric (Mapping) and Panoramic Cameras of the moon from lunar
      orbit.</description>
    </Primary_Result_Summary>
    <Investigation_Area>
      <name>Apollo 17</name>
      <type>Mission</type>
      <Internal_Reference>
        <lid_reference>urn:nasa:pds:context:investigation:mission.apollo_17</lid_reference>
        <reference_type>document_to_investigation</reference_type>
      </Internal_Reference>
    </Investigation_Area>
    <Observing_System>
      <Observing_System_Component>
        <name>Apollo 17 Command and Service Module</name>
        <type>Spacecraft</type>
        <Internal_Reference>
          <lid_reference>urn:nasa:pds:context:instrument_host:spacecraft.a17c</lid_reference>
          <reference_type>is_instrument_host</reference_type>
        </Internal_Reference>
      </Observing_System_Component>
      <Observing_System_Component>
        <name>Apollo 17 Metric (Mapping) Camera</name>
        <type>Instrument</type>
        <Internal_Reference>
          <lid_reference>urn:nasa:pds:context:instrument:metriccam.a17c</lid_reference>
          <reference_type>is_instrument</reference_type>
        </Internal_Reference>
      </Observing_System_Component>
      <Observing_System_Component>
        <name>Apollo 17 Panoramic Camera (Pancam)</name>
        <type>Instrument</type>
        <Internal_Reference>
          <lid_reference>urn:nasa:pds:context:instrument:pancam.a17c</lid_reference>
          <reference_type>is_instrument</reference_type>
        </Internal_Reference>
      </Observing_System_Component>
    </Observing_System>
    <Target_Identification>
      <name>Moon</name>
      <type>Satellite</type>
      <Internal_Reference>
        <lid_reference>urn:nasa:pds:context:target:satellite.earth.moon</lid_reference>
        <reference_type>document_to_target</reference_type>
      </Internal_Reference>
    </Target_Identification>
  </Context_Area>
  <Document>
    <acknowledgement_text>Most of the text was acquired from the Apollo Image Archive website,
    http://apollo.sese.asu.edu/index.html, maintained by the School of Earth and Space Exploration
    at Arizona State University.</acknowledgement_text>
    <publication_date>2017</publication_date>
    <document_editions>1</document_editions>
    <Document_Edition>
      <edition_name>PDF/A version</edition_name>
      <language>English</language>
      <files>1</files>
      <Document_File>
        <file_name>as17_ephem_data_descr.pdf</file_name>
        <document_standard_id>PDF/A</document_standard_id>
      </Document_File>
    </Document_Edition>
  </Document>
</Product_Document>
