Explore This SectionScienceMissionsNASA’s Kepler Mission By the...Exoplanets HomeExoplanets OverviewExoplanets FactsTypes of ExoplanetsStarsWhat is the UniverseSearch for LifeThe Big QuestionsAre We Alone?Can We Find Life?The Habitable ZoneWhy We SearchTarget Star CatalogDiscoveriesDiscoveries DashboardHow We Find and CharacterizeMissionsPeopleExoplanet CatalogImmersiveThe ExoplaneteersExoplanet Travel Bureau5 Ways to Find a PlanetStrange New WorldsUniverse of MonstersGalaxy of HorrorsNewsStoriesBlogResourcesMultimediaGlossaryEyes on ExoplanetsGet InvolvedExoplanet WatchMoreFor Scientists NASA’s Kepler Mission By the NumbersOctober 28, 2018 During 9.6 years in orbit, the Kepler space telescope observed more than half a million stars and discovered more than 2,600 planets. See the mission by the numbers. Downloads NASA’s Kepler Mission By the Numbers Sep 20, 2023 JPEG (3.18 MB)