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Updated: Aug 15, 2025

Scattering And Absorption of Light in Planetary Regoliths

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Published on: July 1, 2019

Magnetosphere-Ionosphere-Thermosphere Coupling Study at Jupiter Based on Juno's First 30 Orbits and Modeling Tools.

S Al Saati^1,2, N Clément^1,3, C Louis^1,4

¹IRAP CNRS Université Toulouse III-Paul Sabatier CNES Toulouse France.

Journal of Geophysical Research. Space Physics

|January 2, 2023

Summary

This summary is machine-generated.

Juno

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Area of Science:

Space Physics
Planetary Science
Aeronomy

Background:

Jovian magnetosphere dynamics are driven by planetary rotation, solar wind, and Io plasma.
Coupling processes link Jupiter's magnetosphere, ionosphere, and thermosphere.
Key ionospheric parameters govern energy and momentum transfer.

Purpose of the Study:

Extend a previously developed method to analyze Juno's first 30 orbits.
Retrieve key ionospheric parameters in both Jovian hemispheres.
Investigate variability and trends in these parameters.

Main Methods:

Utilized a combined approach of Juno multi-instrument data and three modeling tools.
Applied the method to data from the first 30 Juno science orbits.
Analyzed parameters along Juno's magnetic footprint in both hemispheres.

Main Results:

Significant orbit-to-orbit and hemispheric variability in key parameters was observed.
Southern hemisphere current systems show consistent sub-corotating plasma flows.
Northern hemisphere exhibits both super-corotating and sub-corotating plasma flows.

Conclusions:

The study reveals distinct hemispheric differences in Jovian ionospheric plasma flows.
Results provide insights into Jupiter's magnetosphere-ionosphere-thermosphere coupling.
Findings advance our understanding of Jovian atmospheric and magnetospheric dynamics.