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The Shape of 433 Eros from the NEAR-Shoemaker Laser Rangefinder

By Maria T. Zuber, David E. Smith, Andrew F. Cheng, James B. Garvin, Oded Aharonson, Timothy D. Cole, Peter J. Dunn, Yanping Guo, Frank G. Lemoine, Gregory A. Neumann, David D. Rowlands and Mark H. Torrence

Abstract

Measurements from the Near Earth Asteroid Rendezvous (NEAR)–Shoemaker Laser Rangefinder (NLR) indicate that asteroid 433 Eros is a consolidated body with a complex shape dominated by collisions. The offset between the asteroid's center of mass and center of figure indicates a small deviation from a homogeneous internal structure that is most simply explained by variations in mechanical structure. Regional-scale relief and slope distributions show evidence for control of topography by a competent substrate. Impact crater morphology is influenced by both gravity and structural control. Small-scale topography reveals ridges and grooves that may be generated by impact-related fracturing

Publisher: American Association for the Advancement of Science
Year: 2000
OAI identifier: oai:authors.library.caltech.edu:38037
Provided by: Caltech Authors
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