JC
Member Since 2005
Julie C. Castillo
Senior Research Scientist, NASA Jet Propulsion Laboratory
AGU Research
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Stronger Evidence of a Subsurface Ocean Within Callisto From a Multifrequency Investigation of Its Induced Magnetic Field
AGU ADVANCES
30 january 2025
Corey Cochrane, Steve Vance, Julie C. Castillo, Ma...
The magnetometer investigation of the Galileo mission used the phenomenon of magnetic induction to produce the most compelling evidence that subsur...
JWST Reveals the CO2-rich Surfaces of Uranus’ Largest Moons with Unprecedented Sensitivity
THE ICE GIANTS: EXPLORING THE PLANETARY SYSTEMS OF URANUS AND NEPTUNE II ORAL
planetary sciences | 13 december 2024
Richard J. Cartwright, Bryan Holler, William M. Gr...
The surfaces of the large Uranian moons Ariel, Umbriel, Titania, and Oberon exhibit a variety of tectonic and possibly cryovolcanic features. Prior gr...
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Dawn’s observations of Vesta’s moment of inertia, gravity and shape indicate a small core.
GEOLOGY AND GEOPHYSICS OF ACTIVE SATELLITES AND SMALL BODIES POSTER
planetary sciences | 11 december 2024
Anton Ermakov, Ryan S. Park, Alex S. Konopliv, And...
We report a new estimate of Vesta's Moments Of Inertia (MOI) inferred from Dawns Doppler tracking and onboard imaging data. The observed precession an...
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Partial Differentiation of Europa and Implications for the Origin of Materials in the Jupiter System
ICE AND OCEAN WORLDS: GEOLOGY, OCEANOGRAPHY, CHEMISTRY, AND HABITABILITY IV ORAL
planetary sciences | 11 december 2024
Flavio Petricca, Julie C. Castillo, Antonio Genova...
Geophysical constraints on the interiors of icy moons can reveal the thermomechanical and geochemical structures, which depend on the composition of a...
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Consequences of Large Abundances of Organic Matter on the Evolution and Habitability Potential of Icy Moons and Dwarf Planets
GEOLOGY AND GEOPHYSICS OF ACTIVE SATELLITES AND SMALL BODIES POSTER
planetary sciences | 11 december 2024
Julie C. Castillo, Mohit Melwani Daswani, Samuel W...
Recent accretion models suggest that many objects in the outer solar system could have accreted a significant fraction of organic-rich cometary materi...
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Toward Joint Inversion of Magnetic Induction and Gravity Data for Jupiter’s Moons with Comprehensive Geochemical Constraints
UNDERSTANDING OCEAN WORLDS IN THE ERA OF THE EUROPA CLIPPER AND JUICE MISSIONS I POSTER
planetary sciences | 10 december 2024
Steve Vance, Scott Chang, Mohit Melwani Daswani, F...
Combined gravity and magnetic induction measurements at Europa, Ganymede, and Callisto represent the best way to directly constrain the presence, thic...
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Feasibility of Passive Sounding of Uranian Moons Using Uranian Kilometric Radiation
EARTH AND SPACE SCIENCE
01 february 2024
Andrew Romero-Wolf, Gregor Steinbrügge, Julie C. C...
We present a feasibility study for passive sounding of Uranian icy moons using Uranian Kilometric Radio (UKR) emissions in the 100–900 k...
The Global Shape, Gravity Field, and Libration of Enceladus
JOURNAL OF GEOPHYSICAL RESEARCH: PLANETS
15 january 2024
Ryan S. Park, Nickolaos Mastrodemos, Robert Jacobs...
In order to improve our understanding of the interior structure of Saturn's small moon Enceladus, we reanalyze radiometric tracking and onboard ima...