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Near-Earth Asteroids as of May 2025

Infographic titled 'Near-Earth Asteroids' with NASA logo. Highlights planetary defense data as of April 30, 2025: 38,310 near-Earth asteroids discovered; 873 asteroids larger than 1 km discovered with 50 estimated remaining; 11,275 asteroids larger than 140 meters discovered with 14,000 estimated remaining; Earth is bombarded daily by 100 tons of dust and sand-sized particles; 9 near-Earth asteroids passed closer than the Moon in the last 30 days, and 160 in the past 365 days; 487.6 million asteroid observations submitted to the Minor Planet Center.

Each month, NASA’s Planetary Defense Coordination Office releases a monthly update featuring the most recent figures on NASA’s planetary defense efforts, near-Earth object close approaches, and other timely facts about comets and asteroids that could pose an impact hazard with Earth. Here is what we've found so far.

Updated: May 1, 2025