 It has also been classified as an X-type asteroid by Pan-STARRS photometric survey, while the "Collaborative Asteroid Lightcurve Link" (CALL) assumes it to be a carbonaceous C-type asteroid.In November 1984, a first rotational lightcurve of "Gerarda" was obtained from photometric observations by American astronomer Richard Binzel.Lightcurve analysis gave a rotation period of 12.52 hours with a brightness variation of 0.23 magnitude ().