<?xml version="1.0" encoding="UTF-8" standalone="no"?>

<?xml-model href="http://pds.nasa.gov/pds4/pds/v1/PDS4_PDS_1A10.sch"
    schematypens="http://purl.oclc.org/dsdl/schematron"?>
<?xml-model href="https://pds.nasa.gov/pds4/mission/mess/v1/PDS4_MESS_1B00_1020.sch"
  schematypens="http://purl.oclc.org/dsdl/schematron"?>

<Product_SPICE_Kernel xmlns="http://pds.nasa.gov/pds4/pds/v1" 
    xmlns:mess="http://pds.nasa.gov/pds4/mission/mess/v1" 
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
    xsi:schemaLocation="http://pds.nasa.gov/pds4/pds/v1 http://pds.nasa.gov/pds4/pds/v1/PDS4_PDS_1A10.xsd      http://pds.nasa.gov/pds4/mission/mess/v1 https://pds.nasa.gov/pds4/mission/mess/v1/PDS4_MESS_1B00_1020.xsd">
  <Identification_Area>
    <logical_identifier>urn:nasa:pds:mess_mla_derived:spice_kernels_navassmt:navspk_od423p0.bsp</logical_identifier>
    <version_id>1.0</version_id>
    <title>MESSENGER MLA Navigation Assessment SPICE Kernel: navspk_od423p0.bsp</title>
    <information_model_version>1.10.1.0</information_model_version>
    <product_class>Product_SPICE_Kernel</product_class>
    <Modification_History>
      <Modification_Detail>
        <modification_date>2018-08-17</modification_date>
        <version_id>1.0</version_id>
        <description>PDS4 migrated product.</description>
      </Modification_Detail>
    </Modification_History>
  </Identification_Area>
  <Context_Area>
    <Time_Coordinates>
      <start_date_time>2015-03-26T09:47:05.000Z</start_date_time>
      <stop_date_time>2015-04-12T09:47:05.000Z</stop_date_time>
    </Time_Coordinates>
    <Primary_Result_Summary>
      <purpose>Observation Geometry</purpose>
      <processing_level>Derived</processing_level>
    </Primary_Result_Summary>
    <Investigation_Area>
      <name>MESSENGER</name>
      <type>Mission</type>
      <Internal_Reference>
        <lid_reference>urn:nasa:pds:context:investigation:mission.messenger</lid_reference>
        <reference_type>data_to_investigation</reference_type>
      </Internal_Reference>
    </Investigation_Area>
    <Observing_System>
      <Observing_System_Component>
        <name>MESSENGER</name>
        <type>Spacecraft</type>
        <Internal_Reference>
          <lid_reference>urn:nasa:pds:context:instrument_host:spacecraft.mess</lid_reference>
          <reference_type>is_instrument_host</reference_type>
        </Internal_Reference>
      </Observing_System_Component>
      <Observing_System_Component>
        <name>Mercury Laser Altimeter</name>
        <type>Instrument</type>
        <Internal_Reference>
          <lid_reference>urn:nasa:pds:context:instrument:mla.mess</lid_reference>
          <reference_type>is_instrument</reference_type>
        </Internal_Reference>
      </Observing_System_Component>
    </Observing_System>
    <Target_Identification>
      <name>Mercury</name>
      <type>Planet</type>
      <Internal_Reference>
        <lid_reference>urn:nasa:pds:context:target:planet.mercury</lid_reference>
        <reference_type>data_to_target</reference_type>
      </Internal_Reference>
    </Target_Identification>
    <Mission_Area>
      <mess:MESSENGER>
        <mess:mission_phase_name>Mercury Orbit Year 5</mess:mission_phase_name>
      </mess:MESSENGER>
    </Mission_Area>
  </Context_Area>
  <Reference_List>
    <Internal_Reference>
      <lid_reference>urn:nasa:pds:mess_mla_derived:document_navassmt:navassmt_navinfo</lid_reference>
      <reference_type>data_to_document</reference_type>
    </Internal_Reference>
  </Reference_List>
  <File_Area_SPICE_Kernel>
    <File>
      <file_name>navspk_od423p0.bsp</file_name>
      <creation_date_time>2017-02-26T00:00:00Z</creation_date_time>
    </File>
    <SPICE_Kernel>
      <offset unit="byte">0</offset>
      <parsing_standard_id>SPICE</parsing_standard_id>
      <description>
        This is a fragment of the navigation team's 
        predicted orbit solution that was relevant to the time period over which MLA 
        data were used to evaluate the spacecraft position at the given time. This 
        orbit solution was not modified by the MLA team. It is provided here for 
        reference only. The official, final reconstructed trajectory data archived 
        at the NAIF PDS node in the data set MESS-E/V/H-SPICE-6-V1.0 should be used 
        for all analysis.
      </description>
      <kernel_type>SPK</kernel_type>
      <encoding_type>Binary</encoding_type>
    </SPICE_Kernel>
  </File_Area_SPICE_Kernel>
</Product_SPICE_Kernel>
