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The ISHTAR mission: Probing the internal structure of NEOs

Maria Antonietta Barucci 1 Paolo d'Arrigo P. Ball Alain Doressoundiram 2 Elisabetta Dotto Wlodek Kofman 3 R. Orosei 4 M. Pätzold 5 Ettore Perozzi
1 LESIA - Laboratoire d'études spatiales et d'instrumentation en astrophysique
2 DESPA - Departement de recherche SPAtiale
3 LPG - Laboratoire de Planétologie de Grenoble
4 CNR-IASF
5 IGM - Institute for Geophysics and Meteorology [Köln]
Abstract : ISHTAR (Internal Structure High-resolution Tomography by Asteroid Rendezvous) is a mission developed through ESA General Studies programme. The study, led by Astrium in cooperation with several scientific institutes throughout Europe, has produced a spacecraft design capable of performing multiple asteroid rendezvous and to characterize them with a focussed set of instruments. The ISHTAR concept is centred around a Radar Tomography paylod able to probe the internal structure of a small asteroid to depths of few hundred meters, combined with a small camera for investigation of the surface properties and a radio science experiment for gravity field measurement. This combination will allow the first detailed characterization of a NEO and will give valuable insights into the origin and evolution processes that govern the NEO population. In particular, ISHTAR will be able to visit at least 2 NEOs belonging to two different spectral classes, thereby allowing us to probe the diversity of the NEO population.
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Conference papers
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https://hal-insu.archives-ouvertes.fr/insu-00355954
Contributor : Béatrice Pibaret-Bourdon <>
Submitted on : Monday, January 26, 2009 - 12:13:58 PM
Last modification on : Friday, November 6, 2020 - 4:10:53 AM

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  • HAL Id : insu-00355954, version 1

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Maria Antonietta Barucci, Paolo d'Arrigo, P. Ball, Alain Doressoundiram, Elisabetta Dotto, et al.. The ISHTAR mission: Probing the internal structure of NEOs. 25th General Assembly of the International-Astronomical-Union, 2003, Sydney, Australia. pp.738-742. ⟨insu-00355954⟩

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