The shape of a planet's orbit is one of its fundamental properties, along with its size and distance from its host star.

Scientists are investigating Saturn’s moon Titan to understand how tidal forces affect its orbit, revealing clues about its ...

Southwest Research Institute (SwRI) scientists are studying Saturn's moon Titan to assess its tidal dissipation rate, the energy lost as it orbits the ringed planet with its massive gravitational ...

Besides its uncertain nature, HD 20794 d’s most “intriguing” aspect is its distinctly noncircular 647-day orbit, which at one end reaches frigidly farther out from its star than Mars does ...