Radio Science


    Gravitational variations exerted on the spacecraft as it orbits the planet modify the orbit. This is reflected in subtle deviations in the Doppler signal relative what would be observed if the spacecraft followed the computed orbit. These deviations are utilized to constrain models of the interior mass distribution and structure. (Note: The intensity of the core implies a less dense and possibly less well-defined core.)

    Instrument Description
    This is a radio science experiment that uses the telecommunications system for sending data back to the deep space net. It will utilize X and Ka band transponders and low gain antennae (LGAs) to provide Doppler shifts derived from tracking data.

    Measurement Objectives
    The primary objective of the Gravity Science Experiment is to determine the internal structure of Jupiter by mapping its gravity field from polar orbit.

    Useful Mission Documents

    Archive Datasets
    Cruise Data and PDS3 Jupiter Data through perijove 22 are now available

    Cruise Data

    Raw Data
    Data Files
    Ancillary Data
    Software Interface Specification Document (SIS) - Instrument and data structures description
    Citing Data Sets for Publications
    CITATION_DESC = BUCCINO, D.R., Juno Gravity Science Outer Cruise Raw Data Set V1.0,JUNO-J-RSS-1-OCRU-V1.0,NASA Planetary Data System, 2016.

    Jupiter Data

    Mission Timeline
    Physical Parameters for Juno's Perijove and Near Equator Crossing and Reference to the Red Spot (csv)
    Physical Parameters for Juno's North and South Pole Passages (csv)
    Physical Parameters for Juno's Apojove and Far Equatorial Crossings (csv)

    Data were not acquired during Jupiter Orbit Insertion on July 5, 2016 (perijove 0). Only gravity data was obtained on perijove 2.

    Raw Data - Directory containing the EDR data files
    Archive Structure
    Data Set Description (pdf)
    Documents - Directory containing the Document Collection.
    Data Files
    Ancillary Data
    Citing Data Sets for Publications
    CITATION DESC = BUCCINO, D.R., Juno Jupiter Gravity Science Raw Data Set V1.0, JUNO-J-RSS-1-JUGR-V1.0, NASA Planetary Data System, 2016.

    The following options will be added when the data is migrated from PDS3 to PDS4
    Selecting and Requesting Data - can be used to obtain data that meets your specifications. Access to a time ordered list of the products allows you to understand the scope of the data set and to assure that you have received all the data that meets your requirements.

    Selecting Data - This will allow you to access a time-ordered list of observations and to select products based on physical parameters of your choice. Completion of your product list results in an order returned below

    Receiving Data

    Citing Data Sets for Publications


    Other Useful Products for Interpreting the Data
    Publications - A listing of team members to facilitate literature searches
    Spice - Archived Juno SPICE ancillary data providing observation geometry (positions, orientations, instrument pointing, time conversions, etc.) are available from the PDS NAIF Node.