Working with the observational data that he inherited from Tycho Brahe, Johannes Kepler described the properties of orbits.
Orbits.
orbits
Mars orbits refer to the paths that spacecraft or other objects take around the planet Mars. These orbits can vary in altitude, inclination, and shape depending on the specific mission objectives and requirements. Studying Mars orbits allows scientists to gather data and perform observations of the planet from different vantage points.
Planets travel in elliptical orbits.
Orbits or orbitals
Most planetary orbits are elliptical.
Planets have elliptical orbits around the sun.
FOCI
All orbits are ellipses.
Planets travel in space along an invisible path called their orbital trajectory. This path is determined by the gravitational pull of the star they are orbiting, causing them to move in an elliptical path. The planets follow these orbital trajectories as they revolve around the star in their respective orbits.
When something orbits something else, it means that it travels in a circular path around it. In the case of the sun and earth, the earth orbits the sun.
If you mean planets, the orbits are technically ellipses, but very close to circular.