Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2019 5 13.  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,  29.53) 05/15/2019   19:25:22  ( -80.16,  29.47)    3.03                72
 05/15/2019   20:17:20   (  80.16,-163.39) 05/15/2019   20:16:24  (  80.16,-163.31)    1.45                56
 05/15/2019   21:08:04   ( -80.16,   3.91) 05/15/2019   21:07:23  ( -80.16,   3.93)    0.38                41
 05/15/2019   21:58:49   (  80.15, 171.30) 05/15/2019   21:58:25  (  80.16, 171.14)    2.93                24
 05/15/2019   22:49:33   ( -80.15, -21.41) 05/15/2019   22:49:23  ( -80.18, -21.29)    3.39                10
 05/15/2019   23:40:19   (  80.17, 145.67) 05/15/2019   23:40:26  (  80.15, 145.60)    2.77                 7
 05/16/2019   00:31:02   ( -80.15, -46.73) 05/16/2019   00:31:24  ( -80.17, -46.83)    3.36                22
 05/16/2019   01:21:48   (  80.17, 120.35) 05/16/2019   01:22:26  (  80.17, 120.37)    0.52                38
 05/16/2019   02:12:31   ( -80.17, -72.36) 05/16/2019   02:13:24  ( -80.17, -72.37)    0.30                53