Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2019 7 22.  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   ( -80.04,   1.65) 07/22/2019   21:20:18  ( -80.04,   1.67)    0.77                70
 07/22/2019   22:12:12   (  80.03, 169.11) 07/22/2019   22:11:17  (  80.04, 169.00)    2.58                55
 07/22/2019   23:02:57   ( -80.04, -23.68) 07/22/2019   23:02:18  ( -80.06, -23.58)    2.78                39
 07/22/2019   23:53:42   (  80.05, 143.48) 07/22/2019   23:53:18  (  80.04, 143.44)    1.80                24
 07/23/2019   00:44:26   ( -80.03, -49.01) 07/23/2019   00:44:19  ( -80.05, -49.14)    3.30                 7
 07/23/2019   01:35:11   (  80.05, 118.15) 07/23/2019   01:35:18  (  80.06, 118.19)    1.21                 7
 07/23/2019   02:25:56   ( -80.06, -74.63) 07/23/2019   02:26:20  ( -80.05, -74.71)    2.01                24
 07/23/2019   03:16:41   (  80.07,  92.53) 07/23/2019   03:17:19  (  80.05,  92.63)    3.02                38
 07/23/2019   04:07:25   ( -80.05, -99.96) 07/23/2019   04:08:20  ( -80.06, -99.96)    1.22                55