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Active Primordial Bodies: Exploration of the primordial composition of ice-rich planetesimals and early-stage evolution in the outer solar system

Whitepaper #296 submitted to the Planetary Science and Astrobiology Decadal Survey 2023-2032. Topics: surface/geological evolution; primitive bodies; solar system formation, dynamics processes, and chronology

Published onMar 18, 2021
Active Primordial Bodies: Exploration of the primordial composition of ice-rich planetesimals and early-stage evolution in the outer solar system

We advocate for a program of robotic exploration of APBs emphasizing a 4 objects (29P/Schwassmann-Wachmann, 95P/Chiron, 174P/Echeclus, and 2019 LD2) with known activity and outburst patterns, two of which are transitioning to become JFCs. This opportunity is urgent due to their near-term orbits that are favorable only for the next 20–30 years.


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