Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 7 4.  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   ( -79.31,  13.76) 07/11/2020   20:57:33  ( -79.32,  13.85)    1.80                72
 07/11/2020   21:49:29   (  79.31,-178.86) 07/11/2020   21:48:27  (  79.33,-178.80)    2.47                62
 07/11/2020   22:40:14   ( -79.31, -11.59) 07/11/2020   22:39:33  ( -79.33, -11.50)    3.22                41
 07/11/2020   23:30:59   (  79.34, 155.52) 07/11/2020   23:30:28  (  79.31, 155.58)    3.01                31
 07/12/2020   00:21:44   ( -79.34, -37.21) 07/12/2020   00:21:34  ( -79.32, -37.11)    3.15                10
 07/12/2020   01:12:28   (  79.34, 130.17) 07/12/2020   01:12:28  (  79.33, 130.23)    1.51                 0
 07/12/2020   02:03:13   ( -79.34, -62.57) 07/12/2020   02:03:34  ( -79.34, -62.46)    2.24                21
 07/12/2020   02:53:57   (  79.33, 104.81) 07/12/2020   02:54:28  (  79.35, 104.89)    2.09                31
 07/12/2020   03:44:42   ( -79.34, -87.92) 07/12/2020   03:45:34  ( -79.36, -87.80)    3.00                52
 07/12/2020   04:35:26   (  79.33,  79.45) 07/12/2020   04:36:29  (  79.33,  79.27)    3.86                63