EntityQ5097648· pop 5· linked from 248 articlesHD 103197 bSign in to saveextrasolar planetExoplanet dataHost starHD 103197Discovered2009Discovered byLa Silla ObservatoryOrbital period47.84 daysRadius5.83 × EarthMass28.60 × EarthDistance57.15 pcvia NASA Exoplanet ArchiveConnectionsAlpha CentauriEntityexoplanetEntityCategoriesCentaurusExoplanets detected by radial velocityExoplanets discovered in 2009Giant planets