🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaTürkçeРусскийالعربية한국어中文EntityQ788852· pop 10· linked from 251 articlesHD 128311 bexoplanet in the constellation BoötesExoplanet dataHost starHD 128311Discovered2002Discovered byW. M. Keck ObservatoryOrbital period453.02 daysRadius13.50 × EarthMass562.24 × EarthDistance16.33 pcvia NASA Exoplanet ArchiveConnectionsapsisEntityorbital eccentricityEntityCategoriesBoötesExoplanets detected by radial velocityExoplanets discovered in 2002Giant planets