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Astrodynamics 2020, 4(4): 331-347 https://doi.org/10.1007/s42064-020-0082-9
Research Article | Issue | Published: 21 November 2020

Ground-based low altitude hovering technique of Hayabusa2

Show Author's Information Yuya Mimasu( ),  Kent Yoshikawa,  Go Ono,  Naoko Ogawa,  Fuyuto Terui,  Yuto Takei,  Takanao Saiki,  Yuichi Tsuda
Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, Sagamihara 252-5210, Japan
Keywords:
Hayabusa2, guidance, navigation, and control (GNC), MASCOT, low altitude hovering
Cite this article:
Mimasu Y, Yoshikawa K, Ono G, et al. Ground-based low altitude hovering technique of Hayabusa2. Astrodynamics, 2020, 4(4): 331-347. https://doi.org/10.1007/s42064-020-0082-9
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Abstract Full text About this article

The asteroid explorer Hayabusa2 carries multiple rovers and separates them to land on an asteroid surface. One of these rovers, called MASCOT, was developed under the international cooperation between the Deutsches Zentrum für Luft- und Raumfahrt and the Centre National d’Etudes Spatiales. This rover was designed to be separated to land and perform several missions on an asteroid surface. To support these missions, the mother ship Hayabusa2 must separate this rover at a low altitude of approximately 50 m and hover at approximately 3 km after separation to achieve are liable communication link with MASCOT. Because the on-board guidance, navigation, and control (GNC) does not have an autonomous hovering function, this hovering operation is performed by ground-based control. This paper introduces the GNC operation scheme for this hovering operation and reports on its flight results.


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About this article

Ground-based low altitude hovering technique of Hayabusa2

Show Author's information Yuya Mimasu( ), Kent Yoshikawa, Go Ono, Naoko Ogawa, Fuyuto Terui, Yuto Takei, Takanao Saiki, Yuichi Tsuda
Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, Sagamihara 252-5210, Japan

Abstract

The asteroid explorer Hayabusa2 carries multiple rovers and separates them to land on an asteroid surface. One of these rovers, called MASCOT, was developed under the international cooperation between the Deutsches Zentrum für Luft- und Raumfahrt and the Centre National d’Etudes Spatiales. This rover was designed to be separated to land and perform several missions on an asteroid surface. To support these missions, the mother ship Hayabusa2 must separate this rover at a low altitude of approximately 50 m and hover at approximately 3 km after separation to achieve are liable communication link with MASCOT. Because the on-board guidance, navigation, and control (GNC) does not have an autonomous hovering function, this hovering operation is performed by ground-based control. This paper introduces the GNC operation scheme for this hovering operation and reports on its flight results.

Keywords: Hayabusa2, guidance, navigation, and control (GNC), MASCOT, low altitude hovering

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Publication history
Copyright

Publication history

Received: 31 January 2020
Accepted: 11 April 2020
Published: 21 November 2020
Issue date: December 2020

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© Tsinghua University Press 2020
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