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From Earth to Neptune: Characterizing Small Planetary Satellites and Co-orbital Objects

Presentation #203.06D in the session Planets and Satellites Dynamics (Oral Presentation)

Published onOct 23, 2023
From Earth to Neptune: Characterizing Small Planetary Satellites and Co-orbital Objects

We present a collection of observational programs studying the visible and near-infrared reflectance spectra of Jovian and Neptunian Trojans as well as Jovian, Uranian, and Neptunian irregular satellites. These small satellites and co-orbital populations provide powerful opportunities to constrain how primitive material has been transported throughout the solar system. Generally, the studies in this dissertation provide evidence for hydrated materials throughout the giant planet region, leading us to develop comparisons to hydrated carbonaceous chondrite materials to interpret spectral variation in the middle solar system. Our study of the Earth quasi-satellite, Kamo‘oalewa, discovered this object to be unusually reddened compared to typical NEAs, instead finding a close spectral match to Apollo mission samples of mature lunar soils.

Future and current work will also be discussed, including JWST Cycle 2 observations and data archival development for these and other asteroid spectral observations at NASA PDS Small Bodies Node.

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