Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 5 25.  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)
 05/31/2020   20:35:13   ( -79.41,  18.77) 05/31/2020   20:34:07  ( -79.41,  18.88)    2.26                66
 05/31/2020   21:25:58   (  79.41,-173.87) 05/31/2020   21:25:09  (  79.41,-173.82)    1.31                49
 05/31/2020   22:16:42   ( -79.41,  -6.58) 05/31/2020   22:16:07  ( -79.42,  -6.45)    3.04                35
 05/31/2020   23:07:27   (  79.40, 160.78) 05/31/2020   23:07:09  (  79.43, 160.85)    3.32                18
 05/31/2020   23:58:11   ( -79.41, -31.93) 05/31/2020   23:58:08  ( -79.41, -32.06)    2.68                 3
 06/01/2020   00:48:57   (  79.44, 135.16) 06/01/2020   00:49:10  (  79.42, 135.24)    2.41                13
 06/01/2020   01:39:41   ( -79.44, -57.55) 06/01/2020   01:40:08  ( -79.43, -57.39)    3.42                27
 06/01/2020   02:30:26   (  79.43, 109.81) 06/01/2020   02:31:10  (  79.44, 109.91)    2.06                44
 06/01/2020   03:21:10   ( -79.44, -82.90) 06/01/2020   03:22:09  ( -79.42, -83.00)    2.67                59