Naoyuki Hirata

Electrostatic dust ejection from asteroid (3200) Phaethon with the aid of mobile alkali ions at perihelion

Hiroshi Kimura, K. Ohtsuka, Shota Kikuchi, Keiji Ohtsuki et autres

jp (code pays fourni par la source)

Surface Environment of Phobos and Phobos Simulant UTPS

Hideaki Miyamoto, Takafumi Niihara, Koji Wada, Kazunori Ogawa et autres

Abstract The Martian Moons eXploration (MMX) mission will study the Martian moons Phobos and Deimos, Mars, and their environments. The mission scenario includes both landing on the surface of Phobos to collect samples and deploying a small rover for in-situ observations. Engineering …

jp, fr, us, gb, de (code pays fourni par la source)

Alignment determination of the Hayabusa2 laser altimeter (LIDAR)

Hirotomo Noda, Hiroki Senshu, Koji Matsumoto, Noriyuki Namiki et autres

Abstract In this study, we determined the alignment of the laser altimeter aboard Hayabusa2 with respect to the spacecraft using in-flight data. Since the laser altimeter data were used to estimate the trajectory of the Hayabusa2 spacecraft, the pointing direction of the …

jp, es (code pays fourni par la source)

Rotational effect as the possible cause of the east-west asymmetric crater rims on Ryugu observed by LIDAR data

Naoyuki Hirata, Noriyuki Namiki, Fumi Yoshida, Koji Matsumoto et autres

jp (code pays fourni par la source)

Improving Hayabusa2 trajectory by combining LIDAR data and a shape model

Koji Matsumoto, Hirotomo Noda, Yoshiaki Ishihara, Hiroki Senshu et autres

jp (code pays fourni par la source)

Boulder size and shape distributions on asteroid Ryugu

Tatsuhiro Michikami, Chikatoshi Honda, Hideaki Miyamoto, Masatoshi Hirabayashi et autres

In 2018, the Japanese spacecraft Hayabusa2, arrived at the small asteroid Ryugu. The surface of this C-type asteroid is covered with numerous boulders whose size and shape distributions are investigated in this study. Using a few hundred Optical Navigation Camera (ONC) images …

jp, us, gb, es (code pays fourni par la source)

The First Detailed Look at Asteroid Ryugu with Visible Multi-band Camera on Hayabusa2

Seiji Sugita, Rie Honda, Tomokatsu Morota, Shingo Kameda et autres

Initial results of 3D mapping of lineaments on Ryugu

Hiroshi Kikuchi, G. Komatsu, Hideaki Miyamoto, Ryodo Hemmi et autres

Geomorphological characteristics of asteroid Ryugu; initial results

Hideaki Miyamoto, Ryodo Hemmi, Hiroshi Kikuchi, G. Komatsu et autres

Morphological features of craters on asteroid Ryugu

Yuichiro Cho, Tomokatsu Morota, Masanori Kanamaru, Rie Honda et autres

The accuracy of geometric albedo of the 1999JU3 estimated from observation by the LIDAR and the following results

Ryuhei Yamada, Hiroki Senshu, Noriyuki Namiki, Fumi Yoshida et autres

Development and tests of Hayabusa-2 LIDAR

Noriyuki Namiki, Takahide Mizuno, Hiroki Senshu, Ryuhei Yamada et autres