 In November 1983, it was first identified as at the Karl Schwarzschild Observatory, extending the body's observation arc by 8 years prior to its official discovery observation at Palomar.In 2009, a rotational lightcurve of "Saekohayashi" was obtained by American astronomer Brian Warner at his Palmer Divide Observatory, Colorado.It gave a long rotation period of hours with a high brightness variation of 0.78 magnitude ().