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The ISHTAR Mission: Probing the Internal Structure of NEOs

Published online by Cambridge University Press:  30 March 2016

M. Antonietta Barucci ,
Paolo D’Arrigo ,
P. Ball ,
Alain Doressoundiram ,
Elisabetta Dotto ,
W. Kofman ,
Roberto Orosei ,
Martin Patzold  and
Ettore Perozzi
M. Antonietta Barucci
Affiliation:
LESIA, Observatory of Paris
Paolo D’Arrigo
Affiliation:
EADS Astrium, Stevenage
P. Ball
Affiliation:
Open University
Alain Doressoundiram
Affiliation:
LESIA, Observatory of Paris
Elisabetta Dotto
Affiliation:
INAF, Osservatorio Astronomico di Roma
W. Kofman
Affiliation:
Laboratoire de Planetologie de Grenoble
Roberto Orosei
Affiliation:
IASF – INAF, Roma
Martin Patzold
Affiliation:
Institut fur Geophysik und Meteorologie, Universitat zu Koln
Ettore Perozzi
Affiliation:
Telespazio, Roma

Abstract

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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.

Type
I. Joint Discussions
Information
Highlights of Astronomy , Volume 13 , 2005 , pp. 738 - 742
Copyright
Copyright © Astronomical Society of Pacific 2005

References

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