Design of telescopic nadir imager for geomorphology (TENGOO) and observation of surface reflectance by optical chromatic imager (OROCHI) for the Martian Moons Exploration (MMX)

The JAXA’s Martian Moons Exploration (MMX) mission is planned to reveal the origin of Phobos and Deimos. It will remotely observe both moons and return a sample from Phobos. The nominal instruments include the TElescopic Nadir imager for GeOmOrphology (TENGOO) and Optical RadiOmeter composed of CHro...

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Bibliographic Details
Published in:	Earth, planets, and space Vol. 73; no. 1; pp. 1 - 14
Main Authors:	Kameda, Shingo, Ozaki, Masanobu, Enya, Keigo, Fuse, Ryota, Kouyama, Toru, Sakatani, Naoya, Suzuki, Hidehiko, Osada, Naoya, Kato, Hiroki, Miyamoto, Hideaki, Yamazaki, Atsushi, Nakamura, Tomoki, Okamoto, Takaya, Ishimaru, Takahiro, Hong, Peng, Ishibashi, Ko, Takashima, Takeshi, Ishigami, Ryoya, Kuo, Cheng-Ling, Abe, Shinsuke, Goda, Yuya, Murao, Hajime, Fujishima, Saori, Aoyama, Tsubasa, Hagiwara, Keiji, Mizumoto, Satoko, Tanaka, Noriko, Murakami, Kousuke, Matsumoto, Miho, Tanaka, Kenji, Sakuta, Hironobu
Format:	Journal Article
Language:	English
Published:	Berlin/Heidelberg Springer Berlin Heidelberg 14-12-2021 Springer Nature B.V SpringerOpen
Subjects:	7. Planetary science Astronomical instruments Deimos Earth and Environmental Science Earth Sciences Geology Geomorphology Geophysics/Geodesy Imager Landing sites Mars satellites Martian Moons eXploration: The scientific investigations of Mars and its moons MMX Moon OROCHI Phobos Reflectance Remote observing Sample return missions Satellite orbits Satellites Spatial resolution TENGOO Mars Deimos Imager MMX TENGOO Phobos OROCHI
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Summary:	The JAXA’s Martian Moons Exploration (MMX) mission is planned to reveal the origin of Phobos and Deimos. It will remotely observe both moons and return a sample from Phobos. The nominal instruments include the TElescopic Nadir imager for GeOmOrphology (TENGOO) and Optical RadiOmeter composed of CHromatic Imagers (OROCHI). The scientific objective of TENGOO is to obtain the geomorphological features of Phobos and Deimos. The spatial resolution of TENGOO is 0.3 m at an altitude of 25 km in the quasi-satellite orbit. The scientific objective of OROCHI is to obtain material distribution using spectral mapping. OROCHI possesses seven wide-angle bandpass imagers without a filter wheel and one monochromatic imager dedicated to the observation during the landing phase. Using these two instruments, we plan to select landing sites and obtain information that supports the analysis of return samples. Graphical Abstract
ISSN:	1880-5981 1880-5981
DOI:	10.1186/s40623-021-01462-9