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        <ResourceID>spase://CNES/NumericalData/CDPP-AMDA/MMS/MMS1234/Ephemeris/mms1234-orb-t89d</ResourceID>
        <ResourceHeader>
            <ResourceName>orbit t89d</ResourceName>
            <ReleaseDate>2017-01-16T11:50:00</ReleaseDate>
	    <Description>MMS tetrahedron formation. This dataset contains the barycenter of the tetrahedron and positions of the spacecrafts relative to the barycenter. Positions are expressed in GSE and GSM coordinate systems.
    </Description>         
           <Contact>
               <PersonID>spase://CNES/Person/M.G.Henderson</PersonID>
               <Role>PrincipalInvestigator</Role>
           </Contact>
            <Contact>
                <PersonID>spase://CNES/Person/S.K.Morley</PersonID>
                <Role>PrincipalInvestigator</Role>
            </Contact>
            <InformationURL>
                <Name>MMS homepage at GSFC</Name>
                <URL>http://mms.gsfc.nasa.gov/</URL>
            </InformationURL>
            <InformationURL>
                <Name>Science Data Center at LASP</Name>
                <URL>http://lasp.colorado.edu/mms/sdc/</URL>
            </InformationURL>
	    <PriorID>mms1-orb-t89d</PriorID>
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            <RepositoryID>spase://SMWG/Repository/CNES/CDPP-AMDA</RepositoryID>
            <Availability>Online</Availability>
            <AccessRights>Open</AccessRights>
            <AccessURL>
                <Name>AMDA at CDPP</Name>
                <URL>amda.cdpp.eu</URL>                
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            <Format>NetCDF</Format>
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        <ProviderName>IRAP</ProviderName>
        <InstrumentID>spase://CNES/Instrument/CDPP-AMDA/MMS1234/Ephemeris</InstrumentID>
        <MeasurementType>Ephemeris</MeasurementType>
        <TemporalDescription>
            <TimeSpan>
                <StartDate>2000-08-22T00:00:00Z</StartDate>
                <StopDate>2019-01-14T15:58:00Z</StopDate>
            </TimeSpan>
            <Cadence>PT30S</Cadence>
        </TemporalDescription>     
        <Parameter>
            <Name>xyz_bary_gse</Name>
            <ParameterKey>mms1234_xyz_bary_gse</ParameterKey>
            <Description>Spacecraft barycenter position in GSE</Description>
            <Ucd>pos.earth;instr.obsty</Ucd>
            <Units>Re</Units>             
            <UnitsConversion>6.4e6&gt;m</UnitsConversion>            
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            <Name>xyz_bary_gsm</Name>
            <ParameterKey>mms1234_xyz_bary_gsm</ParameterKey>
            <Description>Spacecraft barycenter position in GSM</Description>
            <Ucd>pos.earth;instr.obsty</Ucd>
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            <UnitsConversion>6.4e6&gt;m</UnitsConversion>            
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            <Name>separation mms1 gse</Name>
            <ParameterKey>mms1234_sep_mms1_gse</ParameterKey>
            <Description>MMS1 barycenter separation in GSE</Description>
            <Ucd>pos.earth;instr.obsty</Ucd>
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            <UnitsConversion>6.4e6&gt;m</UnitsConversion>            
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            <ParameterKey>mms1234_sep_mms1_gsm</ParameterKey>
            <Description>MMS1 barycenter separation in GSM</Description>
            <Ucd>pos.earth;instr.obsty</Ucd>
            <Units>km</Units>             
            <UnitsConversion>6.4e6&gt;m</UnitsConversion>            
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            <Name>separation mms2 gse</Name>
            <ParameterKey>mms1234_sep_mms2_gse</ParameterKey>
            <Description>MMS2 barycenter separation in GSE</Description>
            <Ucd>pos.earth;instr.obsty</Ucd>
            <Units>km</Units>             
            <UnitsConversion>6.4e6&gt;m</UnitsConversion>            
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            <Description>MMS2 barycenter separation in GSM</Description>
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            <UnitsConversion>6.4e6&gt;m</UnitsConversion>            
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            <Name>separation mms3 gse</Name>
            <ParameterKey>mms1234_sep_mms3_gse</ParameterKey>
            <Description>MMS3 barycenter separation in GSE</Description>
            <Ucd>pos.earth;instr.obsty</Ucd>
            <Units>km</Units>             
            <UnitsConversion>6.4e6&gt;m</UnitsConversion>            
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            <Description>MMS3 barycenter separation in GSM</Description>
            <Ucd>pos.earth;instr.obsty</Ucd>
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            <Name>separation mms4 gse</Name>
            <ParameterKey>mms1234_sep_mms4_gse</ParameterKey>
            <Description>MMS4 barycenter separation in GSE</Description>
            <Ucd>pos.earth;instr.obsty</Ucd>
            <Units>km</Units>             
            <UnitsConversion>6.4e6&gt;m</UnitsConversion>            
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            <ParameterKey>mms1234_sep_mms4_gsm</ParameterKey>
            <Description>MMS4 barycenter separation in GSM</Description>
            <Ucd>pos.earth;instr.obsty</Ucd>
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