2 papers
astro-ph.EP2020
Can Large-Scale Migration Explain the Giant Planet Occurrence Rate?
Tim Hallatt, Eve J Lee
The giant planet occurrence rate rises with orbital period out to at least 300 days. Large-scale planetary migration through the disk has long been suspected to be the physic…
astro-ph.EP2019
The Dynamics of Interstellar Asteroids and Comets within the Galaxy: an Assessment of Local Candidate Source Regions for 1I/`Oumuamua and 2I/Borisov
Tim Hallatt, Paul Wiegert
The low velocity of interstellar asteroid 1I/'Oumuamua with respect to our galaxy's Local Standard of Rest implies it is young. Adopting the young age hypothesis, we assess possibl…