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ExploreNEOs: Status and Results from the Warm Spitzer NEO Survey

Trilling, D.E. and Mueller, M. and Hora, J.L. and Harris, A.W. and Bhattacharya, B. and Bottke, W.F. and Chesley, S. and Delbo, M. and Emery, J.P. and Fazio, G.G. and Mainzer, A. and Mommert, M. and Penprase, B. and Smith, H.A. and Spahr, T.B. and Stansberry, J.A. and Thomas, C.A. (2010) ExploreNEOs: Status and Results from the Warm Spitzer NEO Survey. In: Bulletin of the American Astronomical Society, 42 (4), p. 1081. American Astronomical Society. American Astronomical Society Division for Planetary Sciences meeting #42, 3-8 Oct 2010, Pasadena, USA. ISSN 0002-7537

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Official URL: http://www.abstractsonline.com/plan/ViewAbstract.aspx?mID=2704&sKey=8102c03d-20b1-47e2-951c-335d761edbf4&cKey=3bb6847d-226c-46c1-bf9f-84717a984ea3&mKey={D515DFC0-245C-4047-81CC-C221DC1A54C6}

Abstract

We are carrying out the Warm Spitzer Near Earth Object Survey "ExploreNEOs." The goals of this project are to determine the albedos and diameters for ~700 NEOs, roughly 10% of all known NEOs, and to explore the history of near-Earth space. By the time of the DPS meeting, we will have observed more than 300 NEOs at 3.6 and 4.5 microns, and produced model-derived albedo and diameter for each target. In this talk we will present the status of our project and highlight some results to date. We find that the distribution of albedos among the NEO population is quite broad, indicating a wide range of compositions among this population. We will present the albedo distribution for low Tisserand objects. We will present a preliminary size distribution for NEOs. We will also show a strong correlation between derived albedo and asteroid taxonomic (spectral) class. Finally, we will present plans for the remainder of the survey and highlight some projects that will be achievable when our entire sample is in hand, by summer, 2011. Support for this work is provided by NASA/JPL/Spitzer Science Center.

Document Type:Conference or Workshop Item (Paper)
Title:ExploreNEOs: Status and Results from the Warm Spitzer NEO Survey
Authors:
AuthorsInstitution or Email of Authors
Trilling, D.E.Northern Arizona University, USA
Mueller, M.Universite de Nice Sophia Antipolis, France
Hora, J.L.Harvard-Smithsonian Center for Astrophysics, USA
Harris, A.W.alan.harris@dlr.de
Bhattacharya, B.NASA Herschel Science Center Caltech, USA
Bottke, W.F.Southwest Research Institute, USA
Chesley, S.Jet Propulsion Laboratory, California Institute of Technology, USA
Delbo, M.Universite de Nice Sophia Antipolis, France
Emery, J.P.Department of Earth and Planetary Sciences, University of Tennessee, USA
Fazio, G.G.Harvard-Smithsonian Center for Astrophysics, USA
Mainzer, A.Jet Propulsion Laboratory, California Institute of Technology, USA
Mommert, M.michael.mommert@dlr.de
Penprase, B.Department of Physics and Astronomy, Pomona College, USA
Smith, H.A.Harvard-Smithsonian Center for Astrophysics, USA
Spahr, T.B.Harvard-Smithsonian Center for Astrophysics, USA
Stansberry, J.A.Steward Observatory, University of Arizona, USA
Thomas, C.A.Northern Arizona University, USA
Date:October 2010
Journal or Publication Title:Bulletin of the American Astronomical Society
Volume:42
Page Range:p. 1081
Editors:
EditorsEmail
Marvel, K.B.UNSPECIFIED
Publisher:American Astronomical Society
ISSN:0002-7537
Status:Published
Keywords:Near-Earth objects, Spitzer Space telescope
Event Title:American Astronomical Society Division for Planetary Sciences meeting #42
Event Location:Pasadena, USA
Event Type:international Conference
Event Dates:3-8 Oct 2010
Organizer:American Astronomical Society
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EW - Erforschung des Weltraums
DLR - Research area:Space
DLR - Program:W EW - Erforschung des Weltraums
DLR - Research theme (Project):W - Vorhaben Asteroiden und Kometen (old)
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Asteroids and Comets
Deposited By: Prof. Alan Harris
Deposited On:03 Jan 2011 20:42
Last Modified:03 Jan 2011 20:42

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