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Near-Earth Asteroids as of December 2024

The graphic presents data on near-Earth asteroids as of October 31, 2024. Key statistics include: 36,765: Total number of discovered near-Earth asteroids of all sizes. 868: Discovered asteroids larger than 1 kilometer, with an estimated 50 left to be found. 11,091: Discovered asteroids larger than 140 meters, with an estimated 14,000 remaining to be found. 100 tons: Estimated amount of dust and sand-sized particles that bombard Earth daily. Near-Earth asteroid close approaches: 19 passed closer to Earth than the Moon in the last 30 days. 139 passed closer in the last 365 days. 469,000,000: Observations of near-Earth objects submitted to the Minor Planet Center. The background shows a space-themed image with the NASA logo at the top right..

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.

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Last Updated
Dec 05, 2024
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NASA Science Editorial Team

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