Tomohiro Usui

Japan Aerospace Exploration Agency — Japan

Physics and Astronomy · Physical Sciences

41h-index6.7kcitations485works4.02yr avg
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Research Topics

Planetary Science and Exploration(295), Astro and Planetary Science(290), Isotope Analysis in Ecology(90), Geological and Geochemical Analysis(78), Space Exploration and Technology(73)

Publications480 total

Alteration of Feldspar-Rich Rocks on Ancient Mars and Possible Link to Ca/Fe-Rich Carbonates
Zenodo (CERN European Organization for Nuclear Research)·2026Open Access
Nondestructive analysis of Bennu samples toward comparative studies with Ryugu samples
Meteoritics and Planetary Science·2025Open Access
Bennu and Ryugu constituents from samples IR analyses and potential source of terrestrial planets’ ingredients
Nature Communications·2025· 1 citedOpen Access
<scp>JAXA</scp> curation for Bennu samples returned by the <scp>NASA</scp> 's <scp>OSIRIS</scp> ‐ <scp>REx</scp> mission
Meteoritics and Planetary Science·2025· 1 citedOpen Access
Elastic Properties of Returned Samples From Asteroid (162173) Ryugu
Journal of Geophysical Research Planets·2025Open Access
Late fluid flow in a primitive asteroid revealed by Lu–Hf isotopes in Ryugu
Nature·2025· 3 citedOpen Access
The nature and formation of silica minerals in eucrite meteorites: Insight into the protoplanetary magma crystallization
Meteoritics and Planetary Science·2025Open Access
Long-term and multi-stage ice accumulation in the martian mid-latitudes during the Amazonian
Geology·2025Open Access
A Thermochemical Modeling Perspective of Why Ca/Fe Carbonates Broadly Associate with Felsic Terrains on Mars
2025Open Access
Longitudinal heterogeneity of Phobos’ crater size-frequency distribution: coevolution of resurfacing and orbital dynamics
Progress in Earth and Planetary Science·2025· 1 citedOpen Access
Multi-Stage Ice Accumulation in Martian Mid-Latitude Craters During the Amazonian
2025Open Access
Updated estimates of Mercury's global K/Th ratio: An unmixing approach to surface composition analysis
2025Open Access
The Reference Setup for the RAX Raman Spectrometer on the MMX IDEFIX Rover for Phobos in-situ analysis
2025Open Access
From Asteroids to Martian Moons: Recent Achievements and Future Challenges of JAXA's Small-Body Sample Return Missions
2025Open Access
Milankovitch cycles as a driver of climate variation and fluvial erosion on early Mars before 3.8-3.6 Ga
2025Open Access
Low-temperature reflectance spectra of meteorites: implications for space missions
2025Open Access
MMX mission update and long-term operation plan in the whole mission period
2025Open Access
Characteristics of natural remanence records in fine-grained particles returned from asteroid Ryugu
2025· 1 citedOpen Access
Microgravity penetrometry flight campaign in support of MMX sampler science exploitation
Progress in Earth and Planetary Science·2025Open Access
The bright-field grinding tomography of coarse-grained calcium‑aluminum-rich inclusions in the Allende meteorite
Icarus·2025· 2 cited
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Frequent Co-authors

Masanao Abe(21), Toru Yada(20), Tatsuaki Okada(20), Aiko Nakato(20), Kasumi Yogata(20), Akiko Miyazaki(20), Masahiro Nishimura(20), Satoru Nakazawa(18), Satoshi Tanaka(17), Takanao Saiki(17), Makoto Yoshikawa(17), Fuyuto Terui(16), Sei‐ichiro Watanabe(16), Shogo Tachibana(15), Tomoki Nakamura(15), Yuichi Tsuda(15), Ryuji Okazaki(14), Kanako Sakamoto(14), T. Noguchi(14), Hiroshi Naraoka(14)