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Efficiency characterization of the V-shape asteroid family detection method
Rogerio Deienno, Kevin J. Walsh, Marco Delbo
Following the break up of a parent body, the Yarkovsky effect causes asteroid family members to spread in orbital semimajor axis with a rate often inversely proportional to their d…
The Formation of Bilobate Comet Shapes through Sublimative Torques
Taylor K. Safrit, Jordan K. Steckloff, Amanda S. Bosh +4
Recent spacecraft and radar observations have found that ~70 percent of short-period comet nuclei, mostly Jupiter-family comets (JFCs), have bilobate shapes (two masses connected b…
Spin-driven evolution of asteroids' top-shapes at fast and slow spins seen from (101955) Bennu and (162173) Ryugu
Masatoshi Hirabayashi, Ryota Nakano, Eri Tatsumi +14
Proximity observations by OSIRIS-REx and Hayabusa2 provided clues on the shape evolution processes of the target asteroids, (101955) Bennu and (162173) Ryugu. Their oblate shapes w…
Charon: A brief history of tides
Alyssa Rose Rhoden, Helle L. Skjetne, Wade G. Henning +9
In 2015, the New Horizons spacecraft flew past Pluto and its moon Charon, providing the first clear look at the surface of Charon. New Horizons images revealed an ancient surface,…
Potential Themis Family Asteroid Contribution to the Jupiter-Family Comet Population
Henry H. Hsieh, Bojan Novakovic, Kevin J. Walsh +1
Recent dynamical analyses suggest that some Jupiter family comets (JFCs) may originate in the main asteroid belt instead of the outer solar system. This possibility is particularly…