👉 Semispheroidal is a term used in the field of astronomy to describe an object that is both a circle and a sphere. It is also known as a spherical ellipse, which is a type of conic section where one or more of its two principal axes are perpendicular to each other. In the context of celestial mechanics, semispheroidal objects are often used in astrophysics to model the behavior of stars and galaxies. They can be defined as the intersection of an elliptical orbit with