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Lightcurves
151 Abundantia

Period 19.718h

According to A. Harris, March 1, 2001, 151 Abundantia is an S class asteroid with a diameter of 45.37km and H = 9.24 .1728 and albiedo of 0.03. There has been no light curve published although Shevchenko did some work in 1992 coiming up with the albeido measurement.
 
Six nights of data were collected:
 
Feb 16, 2002 - 68 observations covering 5 hours
Feb.17, 2002 - 111 observations covering 8 hours
Feb. 21, 2002 - 40 observations covering 3.75 hours
Feb. 22, 2002 - 46 observations covering 4 hours
Mar. 5, 2002 - 68 observations covering 5 hours
Mar. 10, 2002 - 71 observations covering 5.2 hours

151-6n.jpg

The March 5 data covered most of the second half of the period and shows some interesting variations.  The March 10 data covered some of this same part of the curve and replicated the dip at .85 and bridged the curve to the first maximum.  This period is now secure.
 

MPO Canopus files and data available on request.