Rotation Properties of Large-Amplitude Hilda Asteroids

Lightcurve data for 3 potential binary asteroids belonging to the Hilda population were obtained from 2015 to 2018. For (46629) 1994 PS38, we obtained two epochs of coverage, rendering consistent rotation solutions of 8.39 ± 0.01 h (1st epoch in 2015) and 8.41 ± 0.02 h (2nd epoch in 2018), with amplitudes of 0.86 ± 0.05 R-mag and 0.90 ± 0.04 r’-mag, respectively. We obtain best-fit rotation periods of 12.228 ± 0.008 h with an amplitude of 0.80 ± 0.04 R-mag for (247405) 2002 CU1, and 8.44 ± 0.01 h with an amplitude of 0.74 ± 0.06 R-mag for (250139) 2002 RK68.