🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaTiếng ViệtTürkçeРусскийالعربية中文日本語EntityQ2633345· pop 12· linked from 159 articlesHR 8799 eAlso known as HD 218396e, TIC 245368902eextrasolar planetExoplanet dataHost starHR 8799Discovered2010Discovered byW. M. Keck ObservatoryOrbital period20815.60 daysRadius13.11 × EarthMass3178.30 × EarthEquilibrium temp1150 KDistance41.24 pcvia NASA Exoplanet ArchiveWikidata factsImageGRAVITY instrument breaks new ground in exoplanet imaging HR 8799e.jpgSources (2)wikidata.orgAvailable in 11 languagesEspañolFrançais中文日本語РусскийPortuguêsItalianoالعربيةCatalanCzechvia Wikidata sitelinks · CC0ConnectionsThe Astrophysical JournalEntitymethod of detecting extrasolar planetsEntityCategoriesExoplanets detected by astrometryExoplanets detected by direct imagingExoplanets discovered in 2010Giant planetsHR 8799Pegasus (constellation)