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flag Scientists found a fast-spinning, 1,640-foot-wide asteroid, 2025 MN45, using the Rubin Observatory’s advanced camera during a 2025 survey.

flag Scientists have discovered asteroid 2025 MN45, over 1,640 feet wide and spinning faster than any similar-sized asteroid ever seen, completing a rotation in under five minutes. flag Found using the Vera C. Rubin Observatory’s powerful camera during a seven-day survey in April and May 2025, the discovery revealed nearly 2,000 new asteroids, including 16 super-fast and three ultra-fast rotators. flag Most are near-Earth objects, but none pose a threat in the next century. flag The observatory’s advanced imaging detected fast-spinning asteroids in the main belt between Mars and Jupiter—regions where such objects were previously hard to spot—marking a major leap in observing capabilities. flag The Rubin Observatory is preparing to launch its decade-long Legacy Survey of Space and Time.

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