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Rings beyond the giant planets
Bruno Sicardy, Maryame El Moutamid, Alice C. Quillen +3
Until 2013, only the giant planets were known to host ring systems. In June 2013, a stellar occulation revealed the presence of narrow and dense rings around Chariklo, a small Cent…
Terrestrial Planet Formation from an Annulus
Kevin J. Walsh, Hal F. Levison
It has been shown that some aspects of the terrestrial planets can be explained, particularly the Earth/Mars mass ratio, when they form from a truncated disk with an outer edge nea…
Yarkovsky V-shape identification of asteroid families
Bryce T. Bolin, Marco Delbo, Alessandro Morbidelli +1
There are only a few known main belt (MB) asteroid families with ages greater than 2 Gyr (Brož et al. 2013, Spoto et al. 2015). Estimates based on the family producing collision ra…
Hektor - an exceptional D-type family among Jovian Trojans
Jakub Rozehnal, Miroslav Brož, David Nesvorný +4
In this work, we analyze Jovian Trojans in the space of suitable resonant elements and we identify clusters of possible collisional origin by two independent methods: the hierarchi…
Orbital Simulations on Deflecting Near-Earth Objects by Directed Energy
Qicheng Zhang, Kevin J. Walsh, Carl Melis +2
Laser ablation of a Near-Earth Object (NEO) on a collision course with Earth produces a cloud of ejecta which exerts a thrust on the NEO, deflecting it from its original trajectory…