 The study finds a significant number of objects of this family to belong to this spectral type.Both C/B-types agree with the overall spectral type for the Hygiea family listed by Nesvorný ().In February 2008, a rotational lightcurve of "Kovacia" was obtained from photometric observations by a collaboration of French and Italian amateur astronomers including René Roy, Silvano Casulli, François Colas, Arnaud Leroy, Federico Manzini, Christophe Demeautis and Jean-François Coliac.