Explore This SectionScienceExoplanetsHN Librae bExoplanets 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 HN Librae bUnable to render the provided sourceHN Librae b is a Neptune-like exoplanet that orbits an M-type star. Its mass is 5.46 Earths, it takes 36.1 days to complete one orbit of its star, and is 0.1417 AU from its star. Its discovery was announced in 2023. Keep Exploring Discover More Topics From NASA Search for Life Stars Universe Black Holes