Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 7 9.  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)
 07/11/2020   20:58:45   ( -79.33,  13.68) 07/11/2020   20:57:33  ( -79.30,  13.67)    3.04                72
 07/11/2020   21:49:29   (  79.32,-178.93) 07/11/2020   21:48:27  (  79.31,-178.96)    0.99                62
 07/11/2020   22:40:14   ( -79.32, -11.68) 07/11/2020   22:39:33  ( -79.31, -11.68)    0.90                41
 07/11/2020   23:30:58   (  79.31, 155.72) 07/11/2020   23:30:27  (  79.33, 155.69)    1.50                31
 07/12/2020   00:21:43   ( -79.32, -37.03) 07/12/2020   00:21:33  ( -79.33, -37.02)    1.24                10
 07/12/2020   01:12:27   (  79.31, 130.36) 07/12/2020   01:12:27  (  79.34, 130.35)    3.54                 0
 07/12/2020   02:03:12   ( -79.32, -62.39) 07/12/2020   02:03:33  ( -79.35, -62.37)    3.36                21
 07/12/2020   02:53:57   (  79.34, 104.74) 07/12/2020   02:54:28  (  79.33, 104.73)    1.49                31
 07/12/2020   03:44:42   ( -79.35, -88.00) 07/12/2020   03:45:34  ( -79.34, -87.98)    1.68                52
 07/12/2020   04:35:26   (  79.34,  79.39) 07/12/2020   04:36:28  (  79.35,  79.39)    0.64                62