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Innocent Bystanders: Orbital Dynamics of Exomoons during Planet-Planet Scattering
Yu-Cian Hong, Sean N. Raymond, Philip D. Nicholson +1
Planet-planet scattering is the leading mechanism to explain the broad eccentricity distribution of observed giant exoplanets. Here we study the orbital stability of primordial gia…
Implications of the interstellar object 1I/'Oumuamua for planetary dynamics and planetesimal formation
Sean N. Raymond, Philip J. Armitage, Dimitri Veras +2
'Oumuamua, the first bona-fide interstellar planetesimal, was discovered passing through our Solar System on a hyperbolic orbit. This object was likely dynamically ejected from an…
The Empty Primordial Asteroid Belt
Sean N. Raymond, Andre Izidoro
The asteroid belt contains less than a thousandth of Earth's mass and is radially segregated, with S-types dominating the inner belt and C-types the outer belt. It is generally ass…
Origin of water in the inner Solar System: Planetesimals scattered inward during Jupiter and Saturn's rapid gas accretion
Sean N. Raymond, Andre Izidoro
There is a long-standing debate regarding the origin of the terrestrial planets' water as well as the hydrated C-type asteroids. Here we show that the inner Solar System's water is…
The Demographics of Rocky Free-Floating Planets and their Detectability by WFIRST
Thomas Barclay, Elisa V. Quintana, Sean N. Raymond +1
Planets are thought to form via accretion from a remnant disk of gas and solids around a newly formed star. During this process material in the disk either remains bound to the sta…
A deeper view of the CoRoT-9 planetary system. A small non-zero eccentricity for CoRoT-9b likely generated by planet-planet scattering
A. S. Bonomo, G. Hébrard, S. N. Raymond +27
CoRoT-9b is one of the rare long-period (P=95.3 days) transiting giant planets with a measured mass known to date. We present a new analysis of the CoRoT-9 system based on five yea…