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The (Nesvorny 2002) reference claims that Flora constitutes about 85% of the mass of the family. However, using the IRAS diameters (which are just about the only relevant data), and assuming a constant density across the family, I get only 81%. If you further estimate the diameters of non-IRAS bodies by assuming the same albedo as Flora (0.243), Flora is about 77% of the mass. Since this is pretty rough anyhow, i've made it 80% in the article Deuar 14:30, 16 February 2006 (UTC)