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The ISHTAR mission: Probing the internal structure of NEOs

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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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, September 25, 2020 - 11:20:11 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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