Next Day Previous Day 2019/07/17 22:12, V=  90 km/s, W= 39 deg, PA=266 deg 2019/07/18 10:24, V= 158 km/s, W= 79 deg, PA=268 deg 2019/07/22 08:12, V=  81 km/s, W= 38 deg, PA=265 deg Time(st,pk,en)=2019/07/19 15:51, 15:52, 15:53,  Class=A1.1