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  <NumericalData>
    <ResourceID>spase://CNES/NumericalData/CDPP-AMDA/Ephemerides/dione-orb-all</ResourceID>
    <ResourceHeader>
      <ResourceName>Dione</ResourceName>

      <ReleaseDate>2023-03-08T16:31:16Z</ReleaseDate>

      <Description>Dione orbits Saturn with a semimajor axis about 2% less than that of the Moon. However, reflecting Saturn's greater mass (95 times that of Earth's), Dione's orbital period is one tenth that of the Moon. Dione is currently in a 1:2 mean-motion orbital resonance with moon Enceladus, completing one orbit of Saturn for every two orbits completed by Enceladus. This resonance maintains Enceladus's orbital eccentricity (0.0047), providing a source of heat for Enceladus's extensive geological activity, which shows up most dramatically in its cryovolcanic geyser-like jets. The resonance also maintains a smaller eccentricity in Dione's orbit (0.0022), tidally heating it as well.

                
                Dione has two co-orbital, or trojan, moons, Helene and Polydeuces. They are located within Dione's Lagrangian points L4 and L5, 60 degrees ahead of and behind Dione respectively.</Description>

      <Contact>
        <PersonID>spase://CNES/Person/CDPP-AMDA/NAIF</PersonID>
        <Role>PrincipalInvestigator</Role>
      </Contact>
      <Association>
        <AssociationID>sat-moons-orb</AssociationID>
        <AssociationType>PartOf</AssociationType>
        <Note>Saturn Moons</Note>
      </Association>
    </ResourceHeader>
    <AccessInformation>

      <RepositoryID>spase://SMWG/Repository/CDPP/AMDA</RepositoryID>
      <Availability>Online</Availability>
      <AccessRights>Open</AccessRights>
      <AccessURL>
        <Name>CDPP/AMDA HAPI Server</Name>

        <URL>https://amda.irap.omp.eu/service/hapi</URL>

        <Style>HAPI</Style>

        <ProductKey>dione-orb-all</ProductKey>

        <Description>Web Service to this product using the HAPI interface.</Description>
      </AccessURL>
      <Format>CSV</Format>

      <Acknowledgement>Thank you for acknowledging the use of AMDA in publications with wording like "Data analysis was performed with the AMDA science analysis system provided by the Centre de Données de la Physique des Plasmas (CDPP) supported by CNRS, CNES, Observatoire de Paris and Université Paul Sabatier, Toulouse". See the Rules of the road at https://amda.cdpp.eu/help/policy.html . Please acknowledge the Data Providers.</Acknowledgement>

    </AccessInformation>

    <AccessInformation>

      <RepositoryID>spase://SMWG/Repository/CDPP/AMDA</RepositoryID>
      <Availability>Online</Availability>
      <AccessRights>Open</AccessRights>
      <AccessURL>
        <Name>CDPP/AMDA Web application</Name>

        <URL>https://amda.cdpp.eu</URL>

        <Description>Access to Data via CDPP/AMDA Web application.</Description>
      </AccessURL>
      <Format>CSV</Format>
      <Format>VOTable</Format>
      <Format>CDF</Format>
      <Format>PNG</Format>

      <Acknowledgement>Thank you for acknowledging the use of AMDA in publications with wording like "Data analysis was performed with the AMDA science analysis system provided by the Centre de Données de la Physique des Plasmas (CDPP) supported by CNRS, CNES, Observatoire de Paris and Université Paul Sabatier, Toulouse". See the Rules of the road at https://amda.cdpp.eu/help/policy.html . Please acknowledge the Data Providers.</Acknowledgement>

    </AccessInformation>

    <ProviderName>SPICE</ProviderName>
    <InstrumentID>spase://CNES/Instrument/CDPP-AMDA/Ephemerides</InstrumentID>
    <MeasurementType>Ephemeris</MeasurementType>
    <TemporalDescription>
      <TimeSpan>
        <StartDate>1970-01-01T00:00:00Z</StartDate>

        <StopDate>2035-01-19T23:19:31Z</StopDate>

      </TimeSpan>
      <Cadence>PT20M</Cadence>
    </TemporalDescription>
    <ObservedRegion>Saturn</ObservedRegion>
    <ObservedRegion>Saturn.Dione</ObservedRegion>
    <Parameter>
      <Name>distance dione-saturn</Name>
      <ParameterKey>dio_sat_r</ParameterKey>

      <Units>Rs</Units>
      <RenderingHints>
        <DisplayType>TimeSeries</DisplayType>
      </RenderingHints>
      <Support>
        <SupportQuantity>Positional</SupportQuantity>
      </Support>
    </Parameter>
    <Parameter>
      <Name>xyz_ksm</Name>
      <ParameterKey>dio_sat_ksm</ParameterKey>

      <Units>Rs</Units>
      <CoordinateSystem>
        <CoordinateRepresentation>Cartesian</CoordinateRepresentation>
        <CoordinateSystemName>KSM</CoordinateSystemName>
      </CoordinateSystem>
      <RenderingHints>
        <DisplayType>TimeSeries</DisplayType>
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      <Structure>
        <Size>3</Size>
        <Element>
          <Name>x</Name>
          <Index>1</Index>
          <ParameterKey>dio_sat_ksm(0)</ParameterKey>
        </Element>
        <Element>
          <Name>y</Name>
          <Index>2</Index>
          <ParameterKey>dio_sat_ksm(1)</ParameterKey>
        </Element>
        <Element>
          <Name>z</Name>
          <Index>3</Index>
          <ParameterKey>dio_sat_ksm(2)</ParameterKey>
        </Element>
      </Structure>
      <Support>
        <SupportQuantity>Positional</SupportQuantity>
      </Support>
    </Parameter>
    <Parameter>
      <Name>xyz_kso</Name>
      <ParameterKey>dio_sat_kso</ParameterKey>

      <Units>Rs</Units>
      <CoordinateSystem>
        <CoordinateRepresentation>Cartesian</CoordinateRepresentation>
        <CoordinateSystemName>KSO</CoordinateSystemName>
      </CoordinateSystem>
      <RenderingHints>
        <DisplayType>TimeSeries</DisplayType>
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          <Name>x</Name>
          <Index>1</Index>
          <ParameterKey>dio_sat_kso(0)</ParameterKey>
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          <Name>y</Name>
          <Index>2</Index>
          <ParameterKey>dio_sat_kso(1)</ParameterKey>
        </Element>
        <Element>
          <Name>z</Name>
          <Index>3</Index>
          <ParameterKey>dio_sat_kso(2)</ParameterKey>
        </Element>
      </Structure>
      <Support>
        <SupportQuantity>Positional</SupportQuantity>
      </Support>
    </Parameter>
    <Parameter>
      <Name>xyz_IAU_saturn</Name>
      <ParameterKey>dio_sat_xyz</ParameterKey>

      <Units>Rs</Units>
      <RenderingHints>
        <DisplayType>TimeSeries</DisplayType>
      </RenderingHints>
      <Structure>
        <Size>3</Size>
        <Element>
          <Name>x</Name>
          <Index>1</Index>
          <ParameterKey>dio_sat_xyz(0)</ParameterKey>
        </Element>
        <Element>
          <Name>y</Name>
          <Index>2</Index>
          <ParameterKey>dio_sat_xyz(1)</ParameterKey>
        </Element>
        <Element>
          <Name>z</Name>
          <Index>3</Index>
          <ParameterKey>dio_sat_xyz(2)</ParameterKey>
        </Element>
      </Structure>
      <Support>
        <SupportQuantity>Positional</SupportQuantity>
      </Support>
    </Parameter>
    <Parameter>
      <Name>latitude IAU_saturn</Name>
      <ParameterKey>dio_sat_lat</ParameterKey>

      <Units>deg</Units>
      <Support>
        <SupportQuantity>Positional</SupportQuantity>
      </Support>
    </Parameter>
    <Parameter>
      <Name>longitude IAU_saturn</Name>
      <ParameterKey>dio_sat_lon</ParameterKey>

      <Units>deg</Units>
      <Support>
        <SupportQuantity>Positional</SupportQuantity>
      </Support>
    </Parameter>
  </NumericalData>

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