Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 6 30.  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,  13.65) 07/11/2020   20:57:33  ( -79.30,  13.72)    3.02                72
 07/11/2020   21:49:29   (  79.32,-178.99) 07/11/2020   21:48:27  (  79.31,-178.95)    1.49                62
 07/11/2020   22:40:14   ( -79.33, -11.71) 07/11/2020   22:39:33  ( -79.32, -11.63)    1.71                41
 07/11/2020   23:30:58   (  79.32, 155.66) 07/11/2020   23:30:27  (  79.33, 155.70)    1.18                31
 07/12/2020   00:21:43   ( -79.32, -37.06) 07/12/2020   00:21:33  ( -79.34, -36.97)    2.40                10
 07/12/2020   01:12:27   (  79.32, 130.30) 07/12/2020   01:12:27  (  79.34, 130.36)    3.09                 0
 07/12/2020   02:03:12   ( -79.32, -62.42) 07/12/2020   02:03:34  ( -79.32, -62.59)    3.59                22
 07/12/2020   02:53:57   (  79.35, 104.68) 07/12/2020   02:54:28  (  79.33, 104.74)    2.43                31
 07/12/2020   03:44:42   ( -79.35, -88.04) 07/12/2020   03:45:34  ( -79.34, -87.93)    2.48                52
 07/12/2020   04:35:26   (  79.35,  79.33) 07/12/2020   04:36:28  (  79.35,  79.40)    1.42                62