Explore This SectionScienceExoplanetsGJ 338 B...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 HorrorsNewsStoriesBlogResourcesGet InvolvedGlossaryEyes on ExoplanetsExoplanet WatchMoreMultimediaExEP GJ 338 B bUnable to render the provided sourceGJ 338 B b is a Neptune-like exoplanet that orbits a K-type star. Its mass is 10.6 Earths, it takes 24.4 days to complete one orbit of its star, and is 0.142 AU from its star. Its discovery was announced in 2020. Keep Exploring Discover More Topics From NASA Search for Life Stars Universe Black Holes