 At the time "Anneliese" was one of only 17 three-digit numbered asteroids for which no period was published.In May 2015, Julian Oey at the Blue Mountains Observatory , Australia, determined a concurring period of hours with an amplitude of magnitude ().In May 2015 a collaboration of Spanish amateur astronomers including Alfonso Garceràn , Amadeo Macias , Enrique Mansego , Pedro Rodriguez and Juan de Haro measured a period of hours—or half the period solution of the other observations, with an amplitude of magnitude ().