HD 221287 b

HD 221287 b is an exoplanet that orbits the yellow dwarf HD 221287 with an orbital period of 456 days. The semi-major axis of the orbit is approximately 1.25 astronomical units, the minimum mass of the object 3.1 Jupiter masses. The exoplanet was by Naef et al. discovered in 2007 using the radial velocity method.