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First Images of Asteroid 243 Ida

Neukum, G. and SSI-Team (1994) First Images of Asteroid 243 Ida. Science, 5178, pp. 1543-1547. American Association for the Advancement of Science.

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Abstract

The first images of the asteroid 243 Ida from Galileo show an irregular object measuring 56 kilometers by 24 kilometers. Its surface is rich in geologic features, including systems of grooves, blocks, chutes, albedo features, crater chains, and a full range of crater morphologies. The largest blocks may be distributed nonuniformly across the surface: lineaments and dark-floored craters also have preferential locations. Ida is interpreted to have a substantial regolith.The high crater density and size-frequency distribution (-3 differential power-lax index) indicate a surface in equilibrium with saturated cratering. A minimum model crater age for Ida - and therefore for the Koronis family to which Ida belongs - is estimated at 1 billion years, older than expected.

Document Type:Article
Additional Information: LIDO-Berichtsjahr=1995,
Title:First Images of Asteroid 243 Ida
Authors:
AuthorsInstitution or Email of Authors
Neukum, G. and SSI-TeamUNSPECIFIED
Date:1994
Journal or Publication Title:Science
Refereed publication:Yes
In ISI Web of Science:Yes
Volume:5178
Page Range:pp. 1543-1547
Publisher:American Association for the Advancement of Science
Series Name:265
Status:Published
HGF - Research field:UNSPECIFIED
HGF - Program:other
HGF - Program Themes:other
DLR - Research area:UNSPECIFIED
DLR - Program:no assignment
DLR - Research theme (Project):UNSPECIFIED
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Institut für Planetenerkundung
Deposited By: elib DLR-Beauftragter
Deposited On:02 Apr 2006
Last Modified:27 Apr 2009 09:48

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