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Physical Properties of Asteroid (10302) 1989 ML, a Potential Spacecraft Target, from Spitzer Observations

Mueller, Michael and Harris, Alan W. (2006) Physical Properties of Asteroid (10302) 1989 ML, a Potential Spacecraft Target, from Spitzer Observations. In: Bulletin of the American Astronomical Society, 38, 68.09. American Astronomical Society. 38th DPS-Meeting of the American Astronomical Society, 2006-10-08 - 2006-10-13, Pasadena, CA (USA).

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Abstract

We report on results from recent Spitzer observations of near-Earth asteroid (10302) 1989 ML, which is among the lowest-ranking objects in terms of the specific momentum Δv required to reach it from Earth. It was originally considered as a target for Hayabusa and is now under consideration as a target of the planned ESA mission Don Quijote. Unfortunately, little is known about the physical properties of 1989 ML, in particular its size and albedo are unknown. Its exhibits an X type reflection spectrum, so depending on its albedo, 1989 ML may be an E, M, or P type asteroid. Provisional results from thermal-infrared observations carried out with Spitzer indicate that the albedo of 1989 ML is compatible with an M- or E-type classification. We will discuss our results and their implications for the physical properties and the rotation period of 1989 ML, and its importance as a potential spacecraft target. This work is based on observations made with the Spitzer Space Telescope, which is operated by the Jet Propulsion Laboratory, California Institute of Technology under a contract with NASA.

Document Type:Conference or Workshop Item (Speech)
Title:Physical Properties of Asteroid (10302) 1989 ML, a Potential Spacecraft Target, from Spitzer Observations
Authors:
AuthorsInstitution or Email of Authors
Mueller, MichaelUNSPECIFIED
Harris, Alan W.UNSPECIFIED
Date:October 2006
Journal or Publication Title:Bulletin of the American Astronomical Society
Refereed publication:No
In SCOPUS:No
In ISI Web of Science:No
Volume:38
Page Range:68.09
Publisher:American Astronomical Society
Status:Published
Keywords:Asteroids, near-Earth asteroids, infrared observations, thermal models, Don Quijote
Event Title:38th DPS-Meeting of the American Astronomical Society
Event Location:Pasadena, CA (USA)
Event Type:international Conference
Event Dates:2006-10-08 - 2006-10-13
Organizer:AAS Division for Planetary Sciences
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: Michael Müller
Deposited On:24 Jan 2007
Last Modified:15 Jan 2010 00:14

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