EntityQ1042415· pop 10· linked from 70 articles23 Librae cSign in to saveextrasolar planetConnectionsapsisEntityJupiterEntitydayEntityyearEntityastronomical unitEntityexoplanetEntitydigital object identifierEntityorbital periodEntityastronomical coordinate systemEntitybibcodeEntityQ118398Entityorbital eccentricityEntityW. M. Keck ObservatoryEntityargument of periapsisEntityosculating orbitEntitymethod of detecting extrasolar planetsEntityDoppler spectroscopyEntitysemi-axisEntity23 LibraeEntitylist of observatory codesEntityCategoriesExoplanets detected by radial velocityExoplanets discovered in 2009Giant planetsLibra (constellation)