Asteroid 45 Eugenia - Lightcurves and the pole orientation

Three lightcurves obtained in 1969 and six from 1984 are presented for the 250-km U-type asteroid Eugenia. The asteroid's north pole is within + or - 10 deg of ecliptic longitude 106 deg and a latitude of +26 deg, in keeping with an amplitude-aspect pole analysis. While only one maximum and one...

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Bibliographic Details
Main Authors: Taylor, R. C., Birch, P. V., Surdej, J., Pospieszalska-Surdej, A.
Format: Other/Unknown Material
Language:unknown
Published: 1988
Subjects:
89
North Pole
Online Access:http://ntrs.nasa.gov/search.jsp?R=19880040767
Description
Summary:Three lightcurves obtained in 1969 and six from 1984 are presented for the 250-km U-type asteroid Eugenia. The asteroid's north pole is within + or - 10 deg of ecliptic longitude 106 deg and a latitude of +26 deg, in keeping with an amplitude-aspect pole analysis. While only one maximum and one minimum are present when observations are closest to both the north and south poles, there are two of each at other oppositions. It is suggested that this effect may be due to the surface albedo features of Eugenia.

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