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    <Version>2.2.6</Version>
    <NumericalData>
        <ResourceID>spase://CDPP/NumericalData/AMDA/ACE/Ephemeris/ace-orb-all</ResourceID>
        <ResourceHeader>

            <ResourceName>orbit L1</ResourceName>
            <AlternateName>orbit L1 libration point</AlternateName>

            <ReleaseDate>2015-10-12T10:46:00</ReleaseDate>

            <Description>ACE orbits the L1 libration point which is a point of Earth-Sun gravitational equilibrium about 1.5 million km from 

                Earth and 148.5 million km from the Sun</Description>                      

        </ResourceHeader>
        <AccessInformation>
            <RepositoryID>spase://SMWG/Repository/CDPP/AMDA</RepositoryID>
            <Availability>Online</Availability>
            <AccessRights>Open</AccessRights>
            <AccessURL>
                <Name>AMDA at CDPP</Name>

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

            </AccessURL>
            <Format>Text.ASCII</Format>
        </AccessInformation>

        <ProviderName>CDAWeb/SSCWeb</ProviderName>

        <InstrumentID>spase://CDPP/Instrument/AMDA/ACE/Ephemeris</InstrumentID>
        <MeasurementType>Ephemeris</MeasurementType>
        <TemporalDescription>
            <TimeSpan>
                <StartDate>1997-08-26T00:00:00Z</StartDate>

                <StopDate>2017-04-24T23:47:00Z</StopDate>

            </TimeSpan>
            <Cadence>PT12M</Cadence>
         </TemporalDescription>            
        <Parameter>

            <Name>xyz_gse</Name>

            <ParameterKey>ace_xyz_gse</ParameterKey>
            <Description>Spacecraft position in GSE</Description>
            <Ucd>pos.earth;instr.obsty</Ucd>
            <Units>Re</Units>
            <CoordinateSystem>
                <CoordinateRepresentation>Cartesian</CoordinateRepresentation>
                <CoordinateSystemName>GSE</CoordinateSystemName>
            </CoordinateSystem>
            <RenderingHints>
                <DisplayType>TimeSeries</DisplayType>
            </RenderingHints>
            <Structure>
                <Size>3</Size>
                <Element>

                    <Name>x</Name>

                    <Qualifier>Component.I</Qualifier>
                    <Index>1</Index>

                    <ParameterKey>ace_xyz_gse(0)</ParameterKey>

                    <ValidMin>-1594535.0</ValidMin>
                    <ValidMax>1594535.0</ValidMax>
                    <FillValue>-1.0E31</FillValue>
                </Element>
                <Element>

                    <Name>y</Name>

                    <Qualifier>Component.J</Qualifier>
                    <Index>2</Index>
                    <ParameterKey>ace_xyz_gse(1)</ParameterKey>
                    <ValidMin>-1594535.0</ValidMin>
                    <ValidMax>1594535.0</ValidMax>
                    <FillValue>-1.0E31</FillValue>
                </Element>
                <Element>

                    <Name>z</Name>

                    <Qualifier>Component.K</Qualifier>
                    <Index>3</Index>
                    <ParameterKey>ace_xyz_gse(2)</ParameterKey>
                    <ValidMin>-1594535.0</ValidMin>
                    <ValidMax>1594535.0</ValidMax>
                    <FillValue>-1.0E31</FillValue>
                </Element>
            </Structure>
            <Support>
                <SupportQuantity>Positional</SupportQuantity>
            </Support>
        </Parameter>
        <Parameter>

            <Name>xyz_gsm</Name>

            <ParameterKey>ace_xyz_gsm</ParameterKey>
            <Description>Spacecraft position in GSM</Description>
            <Ucd>pos.earth;instr.obsty</Ucd>
            <Units>Re</Units>
            <CoordinateSystem>
                <CoordinateRepresentation>Cartesian</CoordinateRepresentation>
                <CoordinateSystemName>GSM</CoordinateSystemName>
            </CoordinateSystem>
            <RenderingHints>
                <DisplayType>TimeSeries</DisplayType>
            </RenderingHints>
            <Structure>
                <Size>3</Size>
                <Element>

                    <Name>x</Name>

                    <Qualifier>Component.I</Qualifier>
                    <Index>1</Index>
                    <ParameterKey>ace_xyz_gsm(0)</ParameterKey>
                    <ValidMin>-1594535.0</ValidMin>
                    <ValidMax>1594535.0</ValidMax>
                    <FillValue>-1.0E31</FillValue>
                </Element>
                <Element>

                    <Name>y</Name>

                    <Qualifier>Component.J</Qualifier>
                    <Index>2</Index>
                    <ParameterKey>ace_xyz_gsm(1)</ParameterKey>
                    <ValidMin>-1594535.0</ValidMin>
                    <ValidMax>1594535.0</ValidMax>
                    <FillValue>-1.0E31</FillValue>
                </Element>
                <Element>

                    <Name>z</Name>

                    <Qualifier>Component.K</Qualifier>
                    <Index>3</Index>
                    <ParameterKey>ace_xyz_gsm(2)</ParameterKey>
                    <ValidMin>-1594535.0</ValidMin>
                    <ValidMax>1594535.0</ValidMax>
                    <FillValue>-1.0E31</FillValue>
                </Element>
            </Structure>
            <Support>
                <SupportQuantity>Positional</SupportQuantity>
            </Support>
        </Parameter>

        <Parameter>

            <Name>distance ace-earth</Name>

            <ParameterKey>ace_r</ParameterKey>

            <Units>Re</Units>
            <Support>
                <SupportQuantity>Positional</SupportQuantity>
            </Support>

        </Parameter>

    </NumericalData>
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