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<Product_Observational
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     ">
    <Identification_Area>
        <logical_identifier>urn:nasa:pds:lp-mager-derived:data-spacecraft-pos:pos98_01</logical_identifier>
        <version_id>1.0</version_id>       
        <title>Lunar Prospector trajectory data in several coordinate systems for 1998-01-01 to 1998-01-31</title>       
        <information_model_version>1.20.0.0</information_model_version>
        <product_class>Product_Observational</product_class>
        <Citation_Information>
            <author_list>Acuna, Mario; Hood, Lon L.; Mitchell, David</author_list>
            <publication_year>2024</publication_year>
            <description>
                This file contains table of positions and velocities of the Lunar 
                Prospector spacecraft as a function of time, expressed in several                     
                coordinate systems provided in 1 month ASCII tables.
            </description>
        </Citation_Information>
        <Modification_History>
            <Modification_Detail>
                <modification_date>2025-03-19</modification_date>
                <version_id>1.0</version_id>
                <description>
                    This product, POS98_01.TAB, was originally released as part
                    of the PDS3 LP-L-6-TRAJECTORY-V1.0 data set. The metadata
                    have been migrated to PDS4.
                </description>
            </Modification_Detail>
        </Modification_History>
    </Identification_Area>
    <Observation_Area>
        <Time_Coordinates>
            <start_date_time>1998-01-16T00:00Z</start_date_time>
            <stop_date_time>1998-01-31T23:59Z</stop_date_time>
        </Time_Coordinates>
        <Primary_Result_Summary>
            <purpose>Science</purpose>
            <processing_level>Derived</processing_level>
            <description>Lunar Prospector Spacecraft trajectory data</description>
        </Primary_Result_Summary>
        <Investigation_Area>
            <name>Lunar Prospector</name>
            <type>Mission</type>
            <Internal_Reference>
                <lid_reference>urn:nasa:pds:context:investigation:mission.lunar_prospector</lid_reference>
                <reference_type>data_to_investigation</reference_type>
            </Internal_Reference>
        </Investigation_Area>
        <Observing_System>
            <Observing_System_Component>
                <name>Lunar Prospector</name>
                <type>Host</type>
                <Internal_Reference>
                    <lid_reference>urn:nasa:pds:context:instrument_host:spacecraft.lp</lid_reference>
                    <reference_type>is_instrument_host</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>data_to_target</reference_type>
            </Internal_Reference>
        </Target_Identification>
        <Discipline_Area>
            <msn:Mission_Information>
                <msn:mission_phase_name>Primary Mission</msn:mission_phase_name>
            </msn:Mission_Information>
        </Discipline_Area>
    </Observation_Area>
    <Reference_List>
          <Internal_Reference>
              <lidvid_reference>urn:nasa:pds:lp-er-calibrated:data-3deleflux::1.0</lidvid_reference>
              <reference_type>data_to_ancillary_data</reference_type>
          </Internal_Reference>
          <Internal_Reference>
              <lidvid_reference>urn:nasa:pds:lp-er-calibrated:data-highresflux::1.0</lidvid_reference>
              <reference_type>data_to_ancillary_data</reference_type>
          </Internal_Reference> 
          <Internal_Reference>
              <lidvid_reference>urn:nasa:pds:lp-er-calibrated:data-lowresflux::1.0</lidvid_reference>
              <reference_type>data_to_ancillary_data</reference_type>
          </Internal_Reference>
          <Internal_Reference>
              <lidvid_reference>urn:nasa:pds:lp-er-derived:data-electron::1.0</lidvid_reference>
              <reference_type>data_to_ancillary_data</reference_type>
          </Internal_Reference>
          <Internal_Reference>
              <lidvid_reference>urn:nasa:pds:lp-mag-calibrated:data-lunarcrds::1.0</lidvid_reference>
              <reference_type>data_to_ancillary_data</reference_type>
          </Internal_Reference>
          <Internal_Reference>
              <lidvid_reference>urn:nasa:pds:lp-mag-calibrated:data-lunarfield::1.0</lidvid_reference>
              <reference_type>data_to_ancillary_data</reference_type>
          </Internal_Reference>
          <Internal_Reference>
              <lidvid_reference>urn:nasa:pds:lp-mag-derived:data-fieldbins::1.0</lidvid_reference>
              <reference_type>data_to_ancillary_data</reference_type>
          </Internal_Reference>
          <Internal_Reference>
              <lidvid_reference>urn:nasa:pds:lp-mag-derived:data-lunarsurface::1.0</lidvid_reference>
              <reference_type>data_to_ancillary_data</reference_type>
          </Internal_Reference>
          <Internal_Reference>
              <lidvid_reference>urn:nasa:pds:lp-mager-derived:data-moon-pos::1.0</lidvid_reference>
              <reference_type>data_to_ancillary_data</reference_type>
          </Internal_Reference>
          <Source_Product_External>
            <external_source_product_identifier>LP-L-6-TRAJECTORY-V1.0:POS98_01</external_source_product_identifier>
            <reference_type>data_to_derived_source_product</reference_type>
            <doi>10.17189/1519718</doi>
            <curating_facility>PDS Planetary Plasma Interactions Node</curating_facility>
            <description>
                This is the first version converted to PDS4. The DOI references the source PDS3 data set.  
            </description>
        </Source_Product_External>
    </Reference_List>
    <File_Area_Observational>
        <File>
            <file_name>POS98_01.TAB</file_name>
            <creation_date_time>2003-08-15T14:28:19</creation_date_time>
            <file_size unit="byte">3640320</file_size>
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        </File>
        <Table_Character>
        <name>Lunar Prospector trajectory data in several coordinate systems for 1998-01-01 to 1998-01-31</name>       
            <offset unit="byte">0</offset>
            <records>23040</records>
            <record_delimiter>Carriage-Return Line-Feed</record_delimiter>
            <Record_Character>                   
                <fields>18</fields>
                <groups>0</groups>
                <record_length unit="byte">158</record_length>
                <Field_Character>
                    <name>Time</name>
                    <field_number>1</field_number>
                    <field_location unit="byte">1</field_location>
                    <data_type>ASCII_Date_Time_YMD</data_type> 
                    <field_length unit="byte">23</field_length>
                      <description>
                          Time of the spacecraft position shown in the record, expressed as         
                          UTC in PDS format.
                      </description>   
                 </Field_Character>                       
                <Field_Character>
                    <name>Julian Date</name>
                    <field_number>2</field_number>
                    <field_location unit="byte">30</field_location>
                    <data_type>ASCII_Real</data_type> 
                    <field_length unit="byte">12</field_length>
                      <unit>Day</unit>                       
                      <description>
                          Time of the spacecraft position shown in the record, expressed as         
                          a Julian date.
                      </description>  
                 </Field_Character>                       
                <Field_Character>
                    <name>Radius</name>
                    <field_number>3</field_number>
                    <field_location unit="byte">43</field_location>
                    <data_type>ASCII_Real</data_type>                                         
                    <field_length unit="byte">4</field_length>
                      <unit>km</unit> 
                      <description>
                          Spacecraft Radius:  Distance of the spacecraft from the center of         
                          the Moon.
                      </description> 
                 </Field_Character>                       
                <Field_Character>
                    <name>Velocity</name>
                    <field_number>4</field_number>
                    <field_location unit="byte">48</field_location>
                    <data_type>ASCII_Real</data_type> 
                    <field_length unit="byte">6</field_length>
                      <unit>km/sec</unit>    
                      <description>
                          Spacecraft Velocity:  Absolute velocity of the spacecraft.
                      </description>
                 </Field_Character>                       
                <Field_Character>
                    <name>Latitude</name>
                    <field_number>5</field_number>
                    <field_location unit="byte">55</field_location>
                    <data_type>ASCII_Real</data_type> 
                    <field_length unit="byte">8</field_length>
                      <unit>Degrees</unit>                                                                                       
                      <description>
                          Sub-spacecraft Latitude:  The selenographic latitude of the point         
                          directly beneath the spacecraft, with north latitude as positive.
                      </description>   
                 </Field_Character>                       
                <Field_Character>
                    <name>Longitude</name>
                    <field_number>6</field_number>
                    <field_location unit="byte">64</field_location>
                    <data_type>ASCII_Real</data_type> 
                    <field_length unit="byte">8</field_length>
                      <description>
                          Sub-spacecraft Longitude:  The selenographic longitude of the point       
                          directly beneath the spacecraft, with east longitude as positive.
                      </description>  
                 </Field_Character>                       
                <Field_Character>
                    <name>Altitude</name>
                    <field_number>7</field_number>
                    <field_location unit="byte">73</field_location>
                    <data_type>ASCII_Real</data_type>                                         
                    <field_length unit="byte">3</field_length>
                      <unit>km</unit> 
                      <description>
                          Spacecraft Altitude:  The distance of the spacecraft above the            
                          surface of the moon, assuming that the moon is a sphere of                
                          radius 1738 km.
                      </description> 
                 </Field_Character>                       
                <Field_Character>
                    <name>SG X</name>
                    <field_number>8</field_number>
                    <field_location unit="byte">77</field_location>
                    <data_type>ASCII_Real</data_type>                                         
                    <field_length unit="byte">5</field_length>
                      <unit>km</unit> 
                      <description>
                          Spacecraft X-coordinate in the SG coordinate system, in units of          
                          kilometers.
                      </description> 
                 </Field_Character>                       
                <Field_Character>
                    <name>SG Y</name>
                    <field_number>9</field_number>
                    <field_location unit="byte">83</field_location>
                    <data_type>ASCII_Real</data_type>                                         
                    <field_length unit="byte">5</field_length>
                      <unit>km</unit> 
                      <description>
                          Spacecraft Y-coordinate in the SG coordinate system, in units of          
                          kilometers.
                      </description>
                 </Field_Character>                       
                <Field_Character>
                    <name>SG Z</name>
                    <field_number>10</field_number>
                    <field_location unit="byte">89</field_location>
                    <data_type>ASCII_Real</data_type>                                         
                    <field_length unit="byte">5</field_length>
                      <unit>km</unit> 
                      <description>
                          Spacecraft Z-coordinate in the SG coordinate system, in units of          
                          kilometers.
                      </description>  
                 </Field_Character>                       
                <Field_Character>
                    <name>SSE X</name>
                    <field_number>11</field_number>
                    <field_location unit="byte">95</field_location>
                    <data_type>ASCII_Real</data_type>                                         
                    <field_length unit="byte">5</field_length>
                      <unit>km</unit> 
                      <description>
                          Spacecraft X-coordinate in the SSE coordinate system, in units of          
                          kilometers.
                      </description> 
                 </Field_Character>                       
                <Field_Character>
                    <name>SSE Y</name>
                    <field_number>12</field_number>
                    <field_location unit="byte">101</field_location>
                    <data_type>ASCII_Real</data_type>                                         
                    <field_length unit="byte">5</field_length>
                      <unit>km</unit> 
                      <description>
                          Spacecraft Y-coordinate in the SSE coordinate system, in units of          
                          kilometers.
                      </description> 
                 </Field_Character>                       
                <Field_Character>
                    <name>SSE Z</name>
                    <field_number>13</field_number>
                    <field_location unit="byte">107</field_location>
                    <data_type>ASCII_Real</data_type>                                         
                    <field_length unit="byte">5</field_length>
                      <unit>km</unit> 
                      <description>
                          Spacecraft Z-coordinate in the SSE coordinate system, in units of          
                          kilometers.
                      </description>
                 </Field_Character>                       
                <Field_Character>
                    <name>GSE X</name>
                    <field_number>14</field_number>
                    <field_location unit="byte">113</field_location>
                    <data_type>ASCII_Real</data_type> 
                    <field_length unit="byte">8</field_length>
                      <description>
                          Spacecraft X-coordinate in the GSE coordinate system, in units of         
                          Earth radii.
                      </description>  
                 </Field_Character>                       
                <Field_Character>
                    <name>GSE Y</name>
                    <field_number>15</field_number>
                    <field_location unit="byte">122</field_location>
                    <data_type>ASCII_Real</data_type> 
                    <field_length unit="byte">8</field_length>
                      <description>
                          Spacecraft Y-coordinate in the GSE coordinate system, in units of         
                          Earth radii.
                      </description> 
                 </Field_Character>                       
                <Field_Character>
                    <name>GSE Z</name>
                    <field_number>16</field_number>
                    <field_location unit="byte">131</field_location>
                    <data_type>ASCII_Real</data_type> 
                    <field_length unit="byte">8</field_length>
                      <description>
                          Spacecraft Z-coordinate in the GSE coordinate system, in units of         
                          Earth radii.
                      </description>   
                 </Field_Character>                       
                <Field_Character>
                    <name>GSM Y</name>
                    <field_number>17</field_number>
                    <field_location unit="byte">140</field_location>
                    <data_type>ASCII_Real</data_type> 
                    <field_length unit="byte">8</field_length>
                      <description>
                          Spacecraft Y-coordinate in the GSM coordinate system, in units of         
                          Earth radii.
                      </description> 
                 </Field_Character>                       
                <Field_Character>
                    <name>GSM Z</name>
                    <field_number>18</field_number>
                    <field_location unit="byte">149</field_location>
                    <data_type>ASCII_Real</data_type> 
                    <field_length unit="byte">8</field_length>
                      <description>
                          Spacecraft Z-coordinate in the GSM coordinate system, in units of         
                          Earth radii.
                      </description>                                                                                                              
                 </Field_Character>                       
            </Record_Character>
        </Table_Character>
    </File_Area_Observational>
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