Home›1960 in spaceflight›Solrad 1🌐EnglishEnglishBahasa IndonesiaEspañolPolskiРусский中文EntityQ9339405· pop 9· linked from 43 articlesSolrad 1Also known as Solar Radiation 1, SOLRAD/GRAB 1U.S. solar X-ray and surveillance satelliteWikidata factsMass18Orbital period99.61ImageGalactic Radiation and Background satellite 1.jpgShow 5 more factsUTC date of spacecraft launch1960-06-22Commons categorySOLRAD 1orbital inclination66.69apoapsis896periapsis583Sources (1)ru.wikipedia.orgvia Wikidata · CC0Available in 8 languagesEspañol中文РусскийBahasa IndonesiaPolskiUkrainianzh_yuevia Wikidata sitelinks · CC0ConnectionsUnited States Naval Research LaboratoryEntityProject EchoEntityCategories1960 in spaceflightSatellites of the United StatesSOLRADSource attributionSpacecraft launched in 1960