Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 6 8.  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)
 06/14/2020   12:43:04   ( -79.37, 137.15) 06/14/2020   12:41:59  ( -79.37, 137.07)    1.87                65
 06/14/2020   13:33:49   (  79.38, -55.58) 06/14/2020   13:32:57  (  79.39, -55.48)    2.17                52
 06/14/2020   14:24:33   ( -79.37, 111.80) 06/14/2020   14:23:59  ( -79.38, 111.74)    1.68                34
 06/14/2020   15:15:18   (  79.38, -80.93) 06/14/2020   15:14:58  (  79.37, -81.10)    3.37                20
 06/14/2020   16:06:02   ( -79.37,  86.44) 06/14/2020   16:05:59  ( -79.40,  86.40)    3.50                 3
 06/14/2020   16:56:48   (  79.41,-106.55) 06/14/2020   16:56:58  (  79.39,-106.43)    3.17                10
 06/14/2020   17:47:32   ( -79.40,  60.82) 06/14/2020   17:48:00  ( -79.39,  60.79)    1.48                28
 06/14/2020   18:38:17   (  79.41,-131.91) 06/14/2020   18:38:58  (  79.41,-131.77)    2.83                41
 06/14/2020   19:29:01   ( -79.40,  35.47) 06/14/2020   19:30:00  ( -79.41,  35.46)    0.86                59