🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaРусскийالعربيةहिन्दी中文日本語EntityQ597119· pop 33· linked from 304 articlesPioneer 4Also known as Pioneer IVU.S. space probe which performed a lunar flybyWikidata factsImagePioneer-3-4.gifSources (2)wikidata.orgnssdc.gsfc.nasa.govvia Wikidata · CC0Available in 32 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoالعربيةहिन्दीAfrikaansConnectionsMoonConceptEuropean Space AgencyEntityCategoriesDerelict satellites in heliocentric orbitLunar flybysMarch 1959 in the United StatesMissions to the MoonPioneer programSource attributionSpacecraft launched in 1959