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About

Dr. Makoto Yoshikawa is a leading figure in planetary science and deep-space exploration, best known for his pivotal role in the Hayabusa2 mission, Japan’s landmark robotic asteroid sample-return endeavor. His research focuses on mission design, asteroid dynamics, and the technical challenges of returning extraterrestrial material to Earth. Yoshikawa’s major contributions include overseeing the flight operations and strategic planning of Hayabusa2, which successfully collected samples from the C-type asteroid Ryugu. His 2016 paper on the mission’s flight status, with 50 citations, remains a foundational reference for asteroid sample-return operations. More recently, his work on noble gas mass-spectrometry for extraterrestrial micro-samples—published in 2023—has advanced the analysis of Ryugu’s returned material, enabling high-sensitivity detection of noble gas isotopes that reveal the asteroid’s formation history. With over 60 citations across his most-cited works, Yoshikawa’s achievements include not only the technical success of Hayabusa2 but also the development of novel analytical techniques for pristine asteroid matter. His leadership continues to inspire students and researchers in planetary defense, sample-return missions, and the origins of the solar system.