Parabolic and hyperbolic orbits are what we call “open,” meaning they don’t close back on themselves. An object on an orbit like that is just passing through; it’s moving rapidly enough to ...

The velocity of this object was remarkably fast, and it followed a hyperbolic trajectory—suggesting ... A change in the orbit of one planet might impact the others, leading to a possible ...

Because of its hyperbolic orbit, there was first thought to be ... played a pivotal role in identifying the comet and tracking its trajectory. This system, designed to detect potential asteroid ...