Home›Derelict satellites orbiting Earth›Array of Low-Energy X-ray Imaging Sensors🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisNederlandsPortuguêsفارسیEntityQ18539· pop 9· linked from 242 articlesArray of Low-Energy X-ray Imaging SensorsAlso known as ALEXIS, P89-1Bdecommissioned American X-ray telescopeWikidata factsMass45ImageALEXIS.pngShow 7 more factsUTC date of spacecraft launch1993-04-25capital cost17000000periapsis749apoapsis844orbital eccentricity0.00662orbital inclination70semi-major axis of an orbit7167.5Sources (6)wikidata.orgspace.skyrocket.deAvailable in 9 languagesEspañolFrançaisDeutschPortuguêsBahasa IndonesiaCroatianGalicianفارسیvia Wikidata sitelinks · CC0ConnectionsOrbiting Solar ObservatoryEntitySTS-51EntityCategoriesDerelict satellites orbiting EarthSpacecraft launched by Pegasus rocketsSpacecraft launched in 1993Space telescopesX-ray telescopes