Images of Asteroid 21 Lutetia: A Remnant Planetesimal from the Early Solar System

Sierks, H. and Lamy, P. and Barbieri, C. and Koschny, D. and Rickman, H. and Rodrigo, R. and A'Hearn, M. and Angrilli, F. and Barucci, Antonella and Bertaux, J.-L. and Bertini, I. and Besse, S. and Carry, B and Cremonese, Gabriele and da Deppo, V. and Davidsson, B. and Debei, S. and De Cecco, M. and De Leon, J. and Ferri, F. and Fornasier, Sonia and Fulle, M. and Hviid, S. and Gaskell, Robert W. and Groussin, Olivier and Gutierrez, P.J. and Ip, W.-H. and Jorda, L and Kaasalainen, M. and Keller, H. U. and Knollenberg, J. and Kramm, R. and Kührt, Ekkehard and Küppers, Michael and Lara, Luisa M. and Lazzarin, M. and Leyrat, C. and Moreno, J.J. and Magrin, S. and Marchi, S. and Marzari, F. and Massironi, Matteo and Michalik, H. and Moissl, R. and Naletto, G. and Preusker, Frank and Sabau, L. and Sabolo, W. and Scholten, Frank and Snodgrass, C. and Thomas, N. and Tubiana, C. and Vernazza, P and Vincent, J.B. and Wenzel, K.-P. and Andert, T. and Pätzold, M and Weiss, B.P. (2011) Images of Asteroid 21 Lutetia: A Remnant Planetesimal from the Early Solar System. Science, 334 (6055), pp. 487-490. American Association for the Advancement of Science (AAAS). doi: 10.1126/science.1207325.

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Abstract

Images obtained by the Optical, Spectroscopic, and Infrared Remote Imaging System (OSIRIS) cameras onboard the Rosetta spacecraft reveal that asteroid 21 Lutetia has a complex geology and one of the highest asteroid densities measured so far, 3.4 ± 0.3 grams per cubic centimeter. The north pole region is covered by a thick layer of regolith, which is seen to flow in major landslides associated with albedo variation. Its geologically complex surface, ancient surface age, and high density suggest that Lutetia is most likely a primordial planetesimal. This contrasts with smaller asteroids visited by previous spacecraft, which are probably shattered bodies, fragments of larger parents, or reaccumulated rubble piles.

Item URL in elib:

https://elib.dlr.de/73321/

Document Type:

Article

Title:

Images of Asteroid 21 Lutetia: A Remnant Planetesimal from the Early Solar System

Authors:

Authors	Institution or Email of Authors	Author's ORCID iD	ORCID Put Code
Sierks, H.	MPS	UNSPECIFIED	UNSPECIFIED
Lamy, P.	Laboratoire d'Astronomie Spatiale, Marseille, France	UNSPECIFIED	UNSPECIFIED
Barbieri, C.	University of Padova, Department of Astronomy	UNSPECIFIED	UNSPECIFIED
Koschny, D.	European Space Agency (ESA), 2201 Noordwijk, Netherlands),	UNSPECIFIED	UNSPECIFIED
Rickman, H.	Department of Physics and Astronomy, Uppsala University, 75120 Uppsala, Sweden	UNSPECIFIED	UNSPECIFIED
Rodrigo, R.	CSIC	UNSPECIFIED	UNSPECIFIED
A'Hearn, M.	U. Maryland	UNSPECIFIED	UNSPECIFIED
Angrilli, F.	CISAS	UNSPECIFIED	UNSPECIFIED
Barucci, Antonella	Observatoire de Paris-Meudon, France	UNSPECIFIED	UNSPECIFIED
Bertaux, J.-L.	Laboratoire Atmosphères, Milieux, Observations Spatiales, CNRS/UVSQ/UPMC, 11 boulevard d’Alembert, 78280 Guyancourt, France	UNSPECIFIED	UNSPECIFIED
Bertini, I.	AC(University of Padova, Department of Astronomy	UNSPECIFIED	UNSPECIFIED
Besse, S.	Instituto de Astrofifica de Andalucia-Consejo Superior de Investigaciones Cientificas, Granada, Spain	UNSPECIFIED	UNSPECIFIED
Carry, B	Observatoire de Paris	UNSPECIFIED	UNSPECIFIED
Cremonese, Gabriele	INAF, Padova, I	UNSPECIFIED	UNSPECIFIED
da Deppo, V.	CISAS; INAF	UNSPECIFIED	UNSPECIFIED
Davidsson, B.	Astronomiska observatoriet, Uppsala, Sweden	UNSPECIFIED	UNSPECIFIED
Debei, S.	Università di Padova, Center of Studies and Activities of Space (CISAS) "G.Colombo", Padova, Italy	UNSPECIFIED	UNSPECIFIED
De Cecco, M.	Università di Padova, Center of Studies and Activities of Space (CISAS) "G.Colombo", Padova, Italy	UNSPECIFIED	UNSPECIFIED
De Leon, J.	University of Padova, Department of Astronomy	UNSPECIFIED	UNSPECIFIED
Ferri, F.	University of Padova, Padova, Italy	UNSPECIFIED	UNSPECIFIED
Fornasier, Sonia	Observatoire de Paris-Meudon, France	UNSPECIFIED	UNSPECIFIED
Fulle, M.	INAF - Osservatorio Astronomico di Trieste, Trieste, Italy	UNSPECIFIED	UNSPECIFIED
Hviid, S.	MPS	UNSPECIFIED	UNSPECIFIED
Gaskell, Robert W.	Planetary Science Institute	UNSPECIFIED	UNSPECIFIED
Groussin, Olivier	Lab. d'Astrophysique de Marseille, France	UNSPECIFIED	UNSPECIFIED
Gutierrez, P.J.	IAA-CSIC, Granada, Spain	UNSPECIFIED	UNSPECIFIED
Ip, W.-H.	Institute for Space Science, National Central University, 32054 Chung-Li, Taiwan	UNSPECIFIED	UNSPECIFIED
Jorda, L	LAM, Marseille	UNSPECIFIED	UNSPECIFIED
Kaasalainen, M.	Rolf Nevanlinna Institute, Helsinki, Finland	UNSPECIFIED	UNSPECIFIED
Keller, H. U.	Max-Planck-Institut für Sonnensystemforschung, Katlenburg-Lindau	UNSPECIFIED	UNSPECIFIED
Knollenberg, J.	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED
Kramm, R.	MPS	UNSPECIFIED	UNSPECIFIED
Kührt, Ekkehard	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED
Küppers, Michael	Max-Planck-Institut für Sonnensystemforschung	UNSPECIFIED	UNSPECIFIED
Lara, Luisa M.	IAA-CSIC Granada, Spain	UNSPECIFIED	UNSPECIFIED
Lazzarin, M.	Department of Astronomy, University of Padua	UNSPECIFIED	UNSPECIFIED
Leyrat, C.	Università di Padova, Via Venezia 15, 35131 Padova, Italy)	UNSPECIFIED	UNSPECIFIED
Moreno, J.J.	Instituto de Astrofísica de Andalucía, Consejo Superior de Investigationes Cientificas (CSIC), 18080 Granada, Spain	UNSPECIFIED	UNSPECIFIED
Magrin, S.	Lab. d'Astrophysique de Marseille, France	UNSPECIFIED	UNSPECIFIED
Marchi, S.	Department of Astronomy, University of Padua	UNSPECIFIED	UNSPECIFIED
Marzari, F.	Università di Padova, Departimento di Fisica, Padova, Italy	UNSPECIFIED	UNSPECIFIED
Massironi, Matteo	INAF, Padova, I	UNSPECIFIED	UNSPECIFIED
Michalik, H.	IDA	UNSPECIFIED	UNSPECIFIED
Moissl, R.	Max-Planck-Institut für Sonnensystemforschung, D-37191 Katlenburg-Lindau, Germany	UNSPECIFIED	UNSPECIFIED
Naletto, G.	Università di Padova, Departimento di Elettronica et Informatica, Padova, Italy	UNSPECIFIED	UNSPECIFIED
Preusker, Frank	UNSPECIFIED	https://orcid.org/0000-0001-9005-4202	UNSPECIFIED
Sabau, L.	Instituto Nacional de Técnica Aérospacial, Torrejon de Ardoz, Spain	UNSPECIFIED	UNSPECIFIED
Sabolo, W.	Instituto de Astrofifica de Andalucia-Consejo Superior de Investigaciones Cientificas, Granada, Spain	UNSPECIFIED	UNSPECIFIED
Scholten, Frank	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED
Snodgrass, C.	Queen's University, Belfast, UK	UNSPECIFIED	UNSPECIFIED
Thomas, N.	Physikalisches Institut der Universität Bern, Sidlerstrasse 5, 3012 Bern, Switzerland	UNSPECIFIED	UNSPECIFIED
Tubiana, C.	Max-Planck-Institut fuer Sonnensystemforschung, Germany	UNSPECIFIED	UNSPECIFIED
Vernazza, P	ESA	UNSPECIFIED	UNSPECIFIED
Vincent, J.B.	Max-Planck-Institut fuer Sonnensystemforschung, Germany	UNSPECIFIED	UNSPECIFIED
Wenzel, K.-P.	European Space and Technology Centre, Noordwijk, Netherlands	UNSPECIFIED	UNSPECIFIED
Andert, T.	Institut für Raumfahrttechnik, Universität der Bundeswehr München, Neubiberg, Germany	UNSPECIFIED	UNSPECIFIED
Pätzold, M	Universität Köln	UNSPECIFIED	UNSPECIFIED
Weiss, B.P.	Department of Earth, Atmospheric, and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA, USA	UNSPECIFIED	UNSPECIFIED

Date:

1 October 2011

Journal or Publication Title:

Science

Refereed publication:

Yes

Open Access:

Gold Open Access:

In SCOPUS:

Yes

In ISI Web of Science:

Yes

Volume:

334

DOI:

10.1126/science.1207325

Page Range:

pp. 487-490

Publisher:

American Association for the Advancement of Science (AAAS)

Status:

Published

Keywords:

Asteroids, rubble piles

HGF - Research field:

Aeronautics, Space and Transport

HGF - Program:

Space

HGF - Program Themes:

Space Exploration

DLR - Research area:

Raumfahrt

DLR - Program:

R EW - Space Exploration

DLR - Research theme (Project):

R - Project ROSETTA Instruments (old)

Location:

Berlin-Adlershof

Institutes and Institutions:

Institute of Planetary Research > Asteroids and Comets

Deposited By:

Knollenberg, Dr.rer.nat. Jörg

Deposited On:

10 Jan 2012 09:40

Last Modified:

08 Mar 2018 18:50

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