Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2019 7 20.  Predictions up to the next  14.0 days:

     Date     Time(FY3D) FY3D Lat/Lon Date Time(NOAA-19) NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 07/22/2019   21:21:28   ( -80.03,   1.75) 07/22/2019   21:20:18  ( -80.04,   1.76)    1.29                70
 07/22/2019   22:12:13   (  80.05, 168.90) 07/22/2019   22:11:17  (  80.05, 169.08)    3.37                56
 07/22/2019   23:02:58   ( -80.06, -23.88) 07/22/2019   23:02:19  ( -80.04, -23.81)    2.38                39
 07/22/2019   23:53:42   (  80.04, 143.58) 07/22/2019   23:53:18  (  80.04, 143.52)    1.16                24
 07/23/2019   00:44:27   ( -80.05, -49.20) 07/23/2019   00:44:19  ( -80.06, -49.06)    2.83                 8
 07/23/2019   01:35:11   (  80.04, 118.25) 07/23/2019   01:35:18  (  80.06, 118.27)    2.63                 7
 07/23/2019   02:25:56   ( -80.05, -74.53) 07/23/2019   02:26:20  ( -80.05, -74.62)    1.93                24
 07/23/2019   03:16:41   (  80.06,  92.63) 07/23/2019   03:17:19  (  80.06,  92.71)    1.73                38
 07/23/2019   04:07:26   ( -80.07,-100.15) 07/23/2019   04:08:21  ( -80.05,-100.19)    2.78                55