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Disk-Integrated Photometry of 433 Eros

✍ Scribed by D.L. Domingue; M. Robinson; B. Carcich; J. Joseph; P. Thomas; B.E. Clark

Publisher: Elsevier Science
Year: 2002
Tongue: English
Weight: 353 KB
Volume: 155
Category: Article
ISSN: 0019-1035
DOI: 10.1006/icar.2001.6764

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✦ Synopsis

Analysis of the disk-integrated solar phase curve of 433 Eros, as derived from ground-based telescopic and NEAR Shoemaker spacecraft measurements, shows that Eros's surface properties are typical of average S-type asteroids. Eros displays the same singleparticle scattering characteristics and porosity vs theoretical grain size relationships as typical S-asteroids, as does Ida. Eros's singlescattering albedo, however, is higher.The geometric albedo at 550 nm derived for Eros (0.29 ± 0.02) is higher than Ida's but is equivalent to Gaspra's within the error bars. The phase integral (0.39 ± 0.02) and Bond albedo (0.12 ± 0.02) for Eros are higher than those estimated for average S-type asteroids but commensurate with the values obtained for Gaspra.

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