Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 4 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)
 04/07/2020   04:03:40   ( -79.53, -94.34) 04/07/2020   04:02:26  ( -79.51, -94.44)    2.98                74
 04/07/2020   04:54:24   (  79.51,  73.13) 04/07/2020   04:53:25  (  79.53,  73.03)    3.13                59
 04/07/2020   05:45:09   ( -79.52,-119.69) 04/07/2020   05:44:26  ( -79.52,-119.76)    1.40                43
 04/07/2020   06:35:54   (  79.54,  47.51) 04/07/2020   06:35:26  (  79.52,  47.44)    2.48                28
 04/07/2020   07:26:38   ( -79.52,-145.04) 04/07/2020   07:26:26  ( -79.54,-145.08)    2.55                12
 04/07/2020   08:17:23   (  79.53,  22.16) 04/07/2020   08:17:26  (  79.54,  22.12)    0.86                 3
 04/07/2020   09:08:08   ( -79.55,-170.66) 04/07/2020   09:08:27  ( -79.53,-170.68)    2.05                19
 04/07/2020   09:58:52   (  79.53,  -3.19) 04/07/2020   09:59:26  (  79.56,  -3.19)    2.74                34
 04/07/2020   10:49:37   ( -79.55, 163.99) 04/07/2020   10:50:27  ( -79.55, 164.00)    0.37                50
 04/07/2020   11:40:22   (  79.56, -28.81) 04/07/2020   11:41:27  (  79.55, -28.79)    1.71                65