EntityQ5629353· pop 6· linked from 164 articlesHD 4203 bSign in to saveexoplanetExoplanet dataHost starHD 4203Discovered2001Discovered byW. M. Keck ObservatoryOrbital period431.88 daysRadius13.30 × EarthMass708.76 × EarthDistance81.38 pcvia NASA Exoplanet ArchiveConnectionsapsisEntityorbital eccentricityEntityCategoriesExoplanets detected by radial velocityExoplanets discovered in 2001Giant planetsPisces (constellation)