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Find a Node - Use these links to navigate to any of the 8 publicly accessible PDS Nodes.

This bar indicates that you are within the PDS enterprise which includes 6 science discipline nodes and 2 support nodes which are overseen by the Project Management Office at NASA's Goddard Space Flight Center (GSFC). Each node is led by an expert in the subject discipline, supported by an advisory group of other practitioners of that discipline, and subject to selection and approval under a regular NASA Research Announcement.

                         ACC












                                                 Requesting Specific ACC Data



    Data Type

    There are tar files available under the section "Downloading annual collections of data" for downloading the complete set.

    The data products are simple ASCII tables.

    The data consist of a file for each periapsis passage and give start time and stop time and consist of tables that contain seconds from periapse, areodetic latitude, east longitude, local solar time, solar zenith (deg.), areodetic altitude (km), and 2 density averages (90 second and 1 second) with corresponding sigmas in (KG/KM**3).

    Select the Instrument Log (csv)

    Data can be retrieved by selecting among the following parameters


    Start Time                               2014-10-07T03:08:20
    Enter Minimum Value =
    Stop Time                               2020-08-01
    Enter Maximum Value =


    Planetocentric Solar longitude Range -180 to 180                               
    Enter Minimum Value =
    Enter Maximum Value =


    Planetocentric Solar latitude Range -25 to 25                               
    Enter Minimum Value =
    Enter Maximum Value =


    Planetocentric Spacecraft longitude Range -180 to 180                               
    Enter Minimum Value =
    Enter Maximum Value =


    Planetocentric Phase Angle 7 to 176                              
    Enter Minimum Value =
    Enter Maximum Value =


    Planetocentric Spacecraft latitude Range -75 to 75                               
    Enter Minimum Value =
    Enter Maximum Value =


    Planetocentric Altitude Range 116 to 200                               
    Enter Minimum Value =
    Enter Maximum Value =


    Martian Year 32
    Ls 209 to 360
    Enter Minimum Value =
    Enter Maximum Value =


    Martian Year 33
    Ls 0 to 360
    Enter Minimum Value =
    Enter Maximum Value =


    Martian Year 34
    Ls 0 to 360
    Enter Minimum Value =
    Enter Maximum Value =


    Martian Year 35
    Ls 0 to 250
    Enter Minimum Value =
    Enter Maximum Value =