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Journal Articles Earth Planets and Space Year : 2021

Surface environment of Phobos and Phobos simulant UTPS

Hideaki Miyamoto
  • Function : Author
Takafumi Niihara
  • Function : Author
Koji Wada
  • Function : Author
Kazunori Ogawa
  • Function : Author
Hiroki Senshu
  • Function : Author
Patrick Michel
Hiroshi Kikuchi
  • Function : Author
Ryodo Hemmi
  • Function : Author
Tomoki Nakamura
  • Function : Author
Akiko M. Nakamura
  • Function : Author
Naoyuki Hirata
  • Function : Author
Sho Sasaki
  • Function : Author
Erik Asphaug
  • Function : Author
Daniel T. Britt
  • Function : Author
Paul A. Abell
  • Function : Author
Ronald-Louis Ballouz
Olivier S. Banouin
  • Function : Author
Nicola Baresi
  • Function : Author
Jens Biele
Matthias Grott
Hideitsu Hino
  • Function : Author
Peng K. Hong
  • Function : Author
Takane Imada
  • Function : Author
Shingo Kameda
Makito Kobayashi
  • Function : Author
Katsuro Mogi
  • Function : Author
Yuki Nishio
  • Function : Author
Shogo Okamoto
  • Function : Author
Yuichiro Ota
  • Function : Author
Masatsugu Otsuki
  • Function : Author
Katharina A. Otto
  • Function : Author
Naoya Sakatani
  • Function : Author
Yuta Shimizu
  • Function : Author
Tomohiro Takemura
  • Function : Author
Naoki Terada
Masafumi Tsukamoto
  • Function : Author
Tomohiro Usui
  • Function : Author
Konrad Willner
  • Function : Author

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 safeties and scientific planning for these operations require appropriate evaluations of the surface environment of Phobos. Thus, the mission team organized the Landing Operation Working Team (LOWT) and Surface Science and Geology Sub-Science Team (SSG-SST), whose view of the Phobos environment is summarized in this paper. While orbital and large-scale characteristics of Phobos are relatively well known, characteristics of the surface regolith, including the particle size-distributions, the packing density, and the mechanical properties, are difficult to constrain. Therefore, we developed several types of simulated soil materials (simulant), such as UTPS-TB (University of Tokyo Phobos Simulant, Tagish Lake based), UTPS-IB (Impact-hypothesis based), and UTPS-S (Simpler version) for engineering and scientific evaluation experiments.
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obspm-03600678 , version 1 (08-03-2022)

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Hideaki Miyamoto, Takafumi Niihara, Koji Wada, Kazunori Ogawa, Hiroki Senshu, et al.. Surface environment of Phobos and Phobos simulant UTPS. Earth Planets and Space, 2021, 73, ⟨10.1186/s40623-021-01406-3⟩. ⟨obspm-03600678⟩
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