Next Day Previous Day 2017/12/01 07:36, V= 489 km/s, W= 33 deg, PA=305 deg 2017/12/01 08:48, V=  82 km/s, W= 52 deg, PA=102 deg 2017/12/04 21:36, V= 436 km/s, W= 84 deg, PA=278 deg 2017/12/05 12:00, V= 381 km/s, W= 88 deg, PA=284 deg Time(st,pk,en)=2017/12/01 14:07, 14:10, 14:12,  Class=B1.0