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science · 3 outlets · 3 linked reports

Asteroid 2024 YR4 Will Miss the Moon After All, Webb Data Confirms

2026-07-06

AI-assisted: summaries and questions may be incomplete or incorrect. Verify important details with the linked original reporting.

Summary

New James Webb Space Telescope observations show the ~60-meter asteroid 2024 YR4 will not strike the Moon, passing safely about 21,200 km away.
Discovered in December 2024, it had briefly carried a slim chance of hitting Earth in 2032, later downgraded to a roughly 4% chance of a December 2032 lunar impact.
Astronomers have now also ruled out any collision with Earth for the next 100 years.

The question

Planetary-defense tracking is now precise enough to retire most impact scares quickly.

Original reporting

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