Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2019 5 9.  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   ( -80.14,  29.49) 05/15/2019   19:25:22  ( -80.16,  29.43)    2.45                72
 05/15/2019   20:17:20   (  80.16,-163.45) 05/15/2019   20:16:24  (  80.15,-163.37)    1.74                56
 05/15/2019   21:08:04   ( -80.16,   3.87) 05/15/2019   21:07:23  ( -80.16,   3.89)    0.84                41
 05/15/2019   21:58:49   (  80.16, 171.23) 05/15/2019   21:58:25  (  80.15, 171.08)    2.85                24
 05/15/2019   22:49:33   ( -80.16, -21.45) 05/15/2019   22:49:23  ( -80.17, -21.33)    2.93                10
 05/15/2019   23:40:18   (  80.15, 145.91) 05/15/2019   23:40:25  (  80.17, 145.86)    2.16                 7
 05/16/2019   00:31:02   ( -80.15, -46.77) 05/16/2019   00:31:24  ( -80.17, -46.87)    2.86                22
 05/16/2019   01:21:48   (  80.18, 120.28) 05/16/2019   01:22:26  (  80.17, 120.31)    1.14                38
 05/16/2019   02:12:32   ( -80.18, -72.40) 05/16/2019   02:13:25  ( -80.17, -72.41)    0.79                53