We report the first results of a research program to explore the sensitivity of the orbits of Oort cloud comets to
changes in the strength of the Galactic tides in the plane of the disk and also to changes in the mass of the host star. We
performed 2D simulations that confirm that the effects of the tides on comet orbits are sensitive to a star’s distance from
the Galactic center. A comet cloud closer to the Galactic center than the Sun will have comet perihelia reduced to the region
of the inner planets more effectively by the planar tides alone. Similar results are found for a star of smaller mass.
We also show how this phenomenon of comet injection persists for a set of alternative Galactic potential models. These
preliminary results suggest a fruitful line of research, one that aims to generalize the study of comet cloud dynamics to
systems different from the Solar System. In particular, it will allow us to study the roles played by comet clouds in defining
the boundaries of the Galactic Habitable Zone.