Hayabusa2 Mission Overview

S Watanabe, Y Tsuda, M Yoshikawa, S Tanaka… - Space Science …, 2017 - Springer
The Hayabusa2 mission journeys to C-type near-Earth asteroid (162173) Ryugu (1999 JU
3) to observe and explore the 900 m-sized object, as well as return samples collected from …

Samples returned from the asteroid Ryugu are similar to Ivuna-type carbonaceous meteorites

T Yokoyama, K Nagashima, I Nakai, ED Young, Y Abe… - Science, 2022 - science.org
Carbonaceous meteorites are thought to be fragments of C-type (carbonaceous) asteroids.
Samples of the C-type asteroid (162173) Ryugu were retrieved by the Hayabusa2 …

Identifying the wide diversity of extraterrestrial purine and pyrimidine nucleobases in carbonaceous meteorites

Y Oba, Y Takano, Y Furukawa, T Koga… - Nature …, 2022 - nature.com
The lack of pyrimidine diversity in meteorites remains a mystery since prebiotic chemical
models and laboratory experiments have predicted that these compounds can also be …

Macromolecular organic matter in samples of the asteroid (162173) Ryugu

H Yabuta, GD Cody, C Engrand, Y Kebukawa… - Science, 2023 - science.org
Samples of the carbonaceous asteroid (162173) Ryugu were collected and brought to Earth
by the Hayabusa2 spacecraft. We investigated the macromolecular organic matter in Ryugu …

The importance of Phobos sample return for understanding the Mars-moon system

T Usui, K Bajo, W Fujiya, Y Furukawa, M Koike… - Space Science …, 2020 - Springer
Phobos and Deimos occupy unique positions both scientifically and programmatically on the
road to the exploration of the solar system. Japan Aerospace Exploration Agency (JAXA) …

Pebbles and sand on asteroid (162173) Ryugu: In situ observation and particles returned to Earth

S Tachibana, H Sawada, R Okazaki, Y Takano… - Science, 2022 - science.org
The Hayabusa2 spacecraft investigated the C-type (carbonaceous) asteroid (162173)
Ryugu. The mission performed two landing operations to collect samples of surface and …

Hayabusa2 arrives at the carbonaceous asteroid 162173 Ryugu—A spinning top–shaped rubble pile

S Watanabe, M Hirabayashi, N Hirata, N Hirata… - Science, 2019 - science.org
The Hayabusa2 spacecraft arrived at the near-Earth carbonaceous asteroid 162173 Ryugu
in 2018. We present Hayabusa2 observations of Ryugu's shape, mass, and geomorphology …

An artificial impact on the asteroid (162173) Ryugu formed a crater in the gravity-dominated regime

M Arakawa, T Saiki, K Wada, K Ogawa, T Kadono… - Science, 2020 - science.org
The Hayabusa2 spacecraft investigated the small asteroid Ryugu, which has a rubble-pile
structure. We describe an impact experiment on Ryugu using Hayabusa2's Small Carry-on …

Sample collection from asteroid (162173) Ryugu by Hayabusa2: Implications for surface evolution

T Morota, S Sugita, Y Cho, M Kanamaru, E Tatsumi… - Science, 2020 - science.org
The near-Earth asteroid (162173) Ryugu is thought to be a primitive carbonaceous object
that contains hydrated minerals and organic molecules. We report sample collection from …

Carbonate record of temporal change in oxygen fugacity and gaseous species in asteroid Ryugu

W Fujiya, N Kawasaki, K Nagashima, N Sakamoto… - Nature …, 2023 - nature.com
The Hayabusa2 spacecraft explored asteroid Ryugu and brought its surface materials to
Earth. Ryugu samples resemble Ivuna-type (CI) chondrites—the most chemically primitive …