Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2019 5 5.  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,  29.46) 05/15/2019   19:25:22  ( -80.15,  29.34)    2.56                72
 05/15/2019   20:17:20   (  80.17,-163.51) 05/15/2019   20:16:24  (  80.15,-163.49)    2.37                56
 05/15/2019   21:08:04   ( -80.17,   3.83) 05/15/2019   21:07:23  ( -80.15,   3.80)    1.98                41
 05/15/2019   21:58:49   (  80.16, 171.17) 05/15/2019   21:58:24  (  80.17, 171.29)    2.34                25
 05/15/2019   22:49:33   ( -80.16, -21.48) 05/15/2019   22:49:23  ( -80.17, -21.42)    1.41                10
 05/15/2019   23:40:18   (  80.16, 145.85) 05/15/2019   23:40:25  (  80.16, 145.75)    2.05                 7
 05/16/2019   00:31:02   ( -80.16, -46.80) 05/16/2019   00:31:24  ( -80.17, -46.96)    3.20                22
 05/16/2019   01:21:48   (  80.18, 120.22) 05/16/2019   01:22:26  (  80.16, 120.20)    2.45                38
 05/16/2019   02:12:32   ( -80.18, -72.43) 05/16/2019   02:13:25  ( -80.16, -72.50)    2.27                53