Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2019 5 3.  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)
 05/15/2019   19:26:34   ( -80.16,  29.27) 05/15/2019   19:25:22  ( -80.16,  29.39)    2.34                72
 05/15/2019   20:17:19   (  80.16,-163.41) 05/15/2019   20:16:24  (  80.15,-163.44)    1.15                55
 05/15/2019   21:08:03   ( -80.16,   3.95) 05/15/2019   21:07:23  ( -80.15,   3.85)    1.90                40
 05/15/2019   21:58:48   (  80.15, 171.27) 05/15/2019   21:58:24  (  80.17, 171.33)    2.06                24
 05/15/2019   22:49:32   ( -80.15, -21.37) 05/15/2019   22:49:23  ( -80.17, -21.37)    2.34                 9
 05/15/2019   23:40:18   (  80.18, 145.64) 05/15/2019   23:40:25  (  80.17, 145.79)    3.12                 7
 05/16/2019   00:31:02   ( -80.17, -47.00) 05/16/2019   00:31:24  ( -80.17, -46.91)    1.81                22
 05/16/2019   01:21:47   (  80.17, 120.32) 05/16/2019   01:22:26  (  80.16, 120.24)    1.79                39
 05/16/2019   02:12:31   ( -80.17, -72.32) 05/16/2019   02:13:25  ( -80.17, -72.45)    2.43                54