Vera C. Rubin Observatory

Astronomical observatory in Chile designed for the Legacy Survey of Space and Time (LSST)

Science and Technology

Vera C. Rubin Observatory Captures Unprecedented Fast‑Spinning Asteroid

University of Washington‑led analysis of early Rubin Observatory data identifies 2025 MN45 as the fastest‑spinning large asteroid ever observed, completing a rotation in just 1.88 minutes over a 710 m diameter.

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Feb 1, 2026

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Vera C. Rubin Observatory

Vera C. Rubin Observatory Captures Unprecedented Fast‑Spinning Asteroid

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