HR 5183 b

HR 5183 b is a confirmed exoplanet orbiting the star HR 5183, also known as HD 112127. It is located approximately 102 light-years away from Earth in the constellation Centaurus. This exoplanet was discovered using the radial velocity method, which detects variations in a star's velocity caused by the gravitational pull of an orbiting planet.

HR 5183 b is characterized as a gas giant, likely similar in composition to Jupiter or Saturn in our own solar system. However, its most notable characteristic is its highly eccentric orbit. This means that the planet's path around its star is far from circular, resembling a more elongated oval. As a result, the distance between HR 5183 b and its host star varies significantly throughout its orbit.

The eccentricity of HR 5183 b's orbit is one of the highest known for exoplanets of its type. This extreme eccentricity makes it a particularly interesting subject for astronomers studying planetary formation and orbital dynamics. The planet's existence challenges existing models of planet formation and migration, raising questions about how such an eccentric orbit could have arisen.

Further observations and research are ongoing to better understand the properties of HR 5183 b, including its atmospheric composition and the precise nature of its interactions with other potential planets in the system.