Pole and global shape of 25143 Itokawa

Hirohide Demura, Shingo Kobayashi, Etsuko Nemoto, Naoya Matsumoto, Motohiro Furuya, Akira Yukishita, Noboru Muranaka, Hideo Morita, Ken Shirakawa, Makoto Maruya, Hiroshi Ohyama, Masashi Uo, Takashi Kubota, Tatsuaki Hashimoto, Jun'ichiro Kawaguchi, Akira Fujiwara, Jun Saito, Sho Sasaki, Hideaki Miyamoto, Naru Hirata

Research output: Contribution to journalArticlepeer-review

90 Citations (Scopus)

Abstract

The locations of the pole and rotation axis of asteroid 25143 Itokawa were derived from Asteroid Multiband Imaging Camera data on the Hayabusa spacecraft. The retrograde pole orientation had a right ascension of 90.53° and a declination of -66.30° (52000 equinox) or equivalently 128.5° and -89.66° in ecliptic coordinates with a 3.9° margin of error. The surface area is 0.393 square kilometers, the volume is 0.018378 cubic kilometers with a 5% margin of error, and the three axis lengths are 535 meters by 294 meters by 209 meters. The global Itokawa revealed a boomerang-shaped appearance composed of two distinct parts with partly faceted regions and a constricted ring structure.

Original languageEnglish
Pages (from-to)1347-1349
Number of pages3
JournalScience
Volume312
Issue number5778
DOIs
Publication statusPublished - 2006 Jun 2
Externally publishedYes

ASJC Scopus subject areas

  • General

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