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Asteroid 951 Gaspra.

Magnusson, P.(1) and Barruci, M.A.(2) and Binzel, R.P.(3) and Blanco, C.(4) and Di Martino, M.(5) and Goldader, J.D.(6) and Gonano-Beurer, M. and Harris, A.W.(7) and Michalowski, T.(8) and Mottola, S. and Tholen, D.J.(6) and Wisniewski, W.Z.(9) (1992) Asteroid 951 Gaspra. Icarus 97 (1992) pp. 124-129Pre-Galileo Physical Model., 97, pp. 124-129. Academic Press.

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Abstract

Prior to the October 1991 encounter of 951 Gaspra, asteroids were the only class of Solar System objects not resolved by cpacecraft images. Analysis of data returned by the Galileo cpacecraft will apply critical tests to many techniques developed during the past 50 years for deriving physical properties for several hundred asteroids.As a benchmark for comparison, we have applied these techniques to establish in advance our best estimates for Gaspra's properties. We estimate it has an elongated shape with a ratio between equatorial axes of about 1.5-1.7. Further, we derive its sidereal rotation period to be 0.2934197 +- 0.0000010 days with its spin vector pointing toward ecliptic coordinates lambda o&#61 20^o+-5^o, beta o&#61 +22^o +-5^o (or less likely lambda o&#61198^o+-5^o, beta o&#61+13^o+-5^o).

Document Type:Article
Additional Information: LIDO-Berichtsjahr=1992,
Title:Asteroid 951 Gaspra.
Authors:
AuthorsInstitution or Email of Authors
Magnusson, P.(1)UNSPECIFIED
Barruci, M.A.(2)UNSPECIFIED
Binzel, R.P.(3)UNSPECIFIED
Blanco, C.(4)UNSPECIFIED
Di Martino, M.(5)UNSPECIFIED
Goldader, J.D.(6)UNSPECIFIED
Gonano-Beurer, M.UNSPECIFIED
Harris, A.W.(7)UNSPECIFIED
Michalowski, T.(8)UNSPECIFIED
Mottola, S.UNSPECIFIED
Tholen, D.J.(6)UNSPECIFIED
Wisniewski, W.Z.(9)UNSPECIFIED
Date:1992
Journal or Publication Title:Icarus 97 (1992) pp. 124-129Pre-Galileo Physical Model.
Refereed publication:Yes
In ISI Web of Science:Yes
Volume:97
Page Range:pp. 124-129
Publisher:Academic Press
Status:Published
HGF - Research field:UNSPECIFIED
HGF - Program:Space (old)
HGF - Program Themes:W EO - Erdbeobachtung
DLR - Research area:UNSPECIFIED
DLR - Program:W EO - Erdbeobachtung
DLR - Research theme (Project):UNSPECIFIED
Location: Oberpfaffenhofen
Institutes and Institutions:Institut für Optoelektronik
Deposited By: elib DLR-Beauftragter
Deposited On:02 Apr 2006
Last Modified:27 Apr 2009 09:34

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