👉 "Ultraplanetary" is a term that refers to objects orbiting other stars in an elliptical orbit, typically much farther from their star than any other object. These objects are known as "planets" because they have planets in their orbits. In astronomy and astrophysics, the term "ultraplanetary" is often used to describe a system where one or more of the objects orbiting another stars has a significant amount of mass and gas, but does not yet