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 Near-Earth Asteroids as of September 2023 https://science.nasa.gov/science-research/planetary-science/planetary-defense/near-earth-asteroids-as-of-september-2023/ #NASA #General #PlanetaryDefense #PlanetaryDefenseCoordinationOffice #PlanetaryScience #PlanetaryScienceDivision #ScienceResearch #ScienceMissionDirectorate