Discovery site La Silla Observatory | Discovery status Published | |
HR 7722 b is an exoplanet orbiting the star HR 7722. It orbits its parent star with a semimajor axis of 0.32 ± 0.005 AU, an eccentricity of 0.13 ± 0.04. and an orbital period of 74.72 days.
The Neptune-sized planet has at least 21 times the mass of Earth and 3 to 4 times its diameter.
HR 7722 b was discovered on 1 November 2010 and lies within the inner edge of the habitable zone of HR 7722.
References
HR 7722 b Wikipedia(Text) CC BY-SA