These observations are likely to reshape understanding of asteroid dynamics, planetary formation, and the population of small bodies that share our cosmic neighbourhood.
Quick Facts for Exams
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2025 MN45 rotates once every 113 seconds , the fastest known for its size.
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Diameter: approximately 710 metres .
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Location: Main asteroid belt between Mars and Jupiter.
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Discovery made using the LSST Camera at the Vera C. Rubin Observatory.
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Most large asteroids are rubble piles with much slower spin rates.
Month: Current Affairs - January 10, 2026
Category: Scientific breakthrough