5403 Takachiho

5403 Takachiho is a main-belt asteroid discovered by Kushida and Inoue at Yatsugatake in 1990. A total of 291 data points were obtained over eight nights from 2015 Dec 15 to 2016 Mar 30. Theaverage magnitude was 16.3 and average SNR was 136. The lightcurve shows a period of 3.959 h ± 0.001 h and amplitude of 0.29 ± 0.01 mag, suggesting that the asteroid rotated 642 times during the period of observation. These findings were published in the Minor Planet Bulletin, Volume 44, Number 2, 2017 April - June.