Asteroid 45 Eugenia - Lightcurves and the pole orientation

Details Asteroid 45 Eugenia - Lightcurves and the pole orientation Asteroid 45 Eugenia - Lightcurves and the pole orientation

Feb 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988icar...73..314t&link_type=abstract

Icarus (ISSN 0019-1035), vol. 73, Feb. 1988, p. 314-323. NASA-supported research.

Astronomy and Astrophysics

Astronomy

13

Asteroids, Light Curve, Magnetic Poles, Albedo, Astronomical Photometry, Coordinates, Magnitude, Sidereal Time, Asteroids, Eugenia, Lightcurves, Astronomy, Magnitude, Parameters, Latitude, Longitude, Polar Regions, Period, Rotation, Features, Surface, Albedo, Photometry, Astrometry

Scientific paper

Nine lightcurves of asteroid 45 Eugenia, three from 1969 and six from 1984, are given. In 1984 - 1985 the H0 magnitude of Eugenia, corrected to the lightcurve maximum, was 7.47 and the slope parameter G0 was 0.04. The north pole of Eugenia is within ±10° of ecliptic longitude 106° and latitude +26° (or 295° and +34°). This solution is consistent with an amplitude-aspect pole analysis. The sideral period is 0.2374645±0.0000002 day and the sense of rotation is retrograde.

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