 In the SMASS classification, "Lorraine" is an Xc-subtype, transiting from the X-type to the C-type asteroids.In January 2005, a rotational lightcurve of "Lorraine" was obtained from photometric observations by French amateur astronomer Laurent Bernasconi.Analysis of the fragmentary lightcurve gave a longer-than-average rotation period of 32 hours with a brightness amplitude of 0.16 magnitude ().