Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 8 15.  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)
 08/21/2020   23:03:41   ( -79.22, -16.66) 08/21/2020   23:02:31  ( -79.22, -16.62)    1.11                70
 08/21/2020   23:54:26   (  79.23, 150.63) 08/21/2020   23:53:33  (  79.21, 150.58)    1.98                53
 08/22/2020   00:45:10   ( -79.22, -42.02) 08/22/2020   00:44:31  ( -79.23, -41.98)    1.43                39
 08/22/2020   01:35:55   (  79.22, 125.27) 08/22/2020   01:35:33  (  79.23, 125.22)    1.12                22
 08/22/2020   02:26:39   ( -79.22, -67.38) 08/22/2020   02:26:31  ( -79.25, -67.34)    3.27                 8
 08/22/2020   03:17:24   (  79.22,  99.92) 08/22/2020   03:17:33  (  79.24,  99.87)    2.62                 9
 08/22/2020   04:08:09   ( -79.25, -93.00) 08/22/2020   04:08:32  ( -79.23, -92.97)    2.18                23
 08/22/2020   04:58:54   (  79.25,  74.30) 08/22/2020   04:59:34  (  79.23,  74.25)    2.96                40
 08/22/2020   05:49:38   ( -79.25,-118.35) 08/22/2020   05:50:32  ( -79.25,-118.32)    0.61                54
 08/22/2020   06:40:23   (  79.25,  48.94) 08/22/2020   06:41:34  (  79.25,  48.89)    1.21                71