37th DPS Meeting, 4-9 September 2005
Session 15 Asteroid Physical Studies
Poster, Monday, September 5, 2005, 6:00-7:15pm, Music Recital Room

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[15.15] Rotational Observations of S-type Asteroids

F. Mackey, S. Davis, D. T. Britt (University of Central Florida)

Using the SpeXs instrument on the NASA IRTF we have observed the rotational reflectance spectra over 0.8-2.5 microns at high signal to noise for several main asteroid belt S-class objects including 14 Irene, 25 Phocaea, 29 Amphitrite, 34 Circe, 37 Fides, 389 Idustria, 532 Herculina, and 599 Luisa. Each asteroid was observed over a minimum of 60 degrees of rotational phase and data from each phase is compared to determine spectral or mineralogical variation between hemispheres. The results from these observations will be presented.

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Bulletin of the American Astronomical Society, 37 #3
© 2004. The American Astronomical Soceity.