The Shape of 433 Eros from the NEAR-Shoemaker Laser Rangefinder-Reference-Cited by-同舟云学术

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

Published:2000-09-22 Issue:5487 Volume:289 Page:2097-2101
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Zuber Maria T.¹²,Smith David E.²,Cheng Andrew F.³,Garvin James B.²,Aharonson Oded¹,Cole Timothy D.³,Dunn Peter J.⁴,Guo Yanping³,Lemoine Frank G.²,Neumann Gregory A.¹²,Rowlands David D.²,Torrence Mark H.⁴

Affiliation:

1. Department of Earth, Atmospheric, and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.

2. Earth Sciences Directorate, NASA–Goddard Space Flight Center, Greenbelt, MD 20771, USA.

3. Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723–6099, USA.

4. Raytheon Information Technology and Scientific Services, Landover, MD 20771, USA.

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 (AAAS)

Subject

Multidisciplinary

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