Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 5 29.  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   19:44:20   (  79.11,-146.22) 05/31/2020   19:43:17  (  79.15,-150.66)   93.27                63
 05/31/2020   20:35:12   ( -79.39,  18.97) 05/31/2020   20:34:07  ( -79.41,  18.87)    2.81                65
 05/31/2020   21:25:58   (  79.41,-173.92) 05/31/2020   21:25:09  (  79.42,-173.80)    2.52                49
 05/31/2020   22:16:42   ( -79.42,  -6.65) 05/31/2020   22:16:08  ( -79.39,  -6.74)    3.21                34
 05/31/2020   23:07:27   (  79.41, 160.73) 05/31/2020   23:07:10  (  79.40, 160.59)    2.92                17
 05/31/2020   23:58:11   ( -79.42, -32.00) 05/31/2020   23:58:08  ( -79.41, -32.07)    1.34                 3
 06/01/2020   00:48:56   (  79.41, 135.38) 06/01/2020   00:49:10  (  79.42, 135.26)    2.81                14
 06/01/2020   01:39:40   ( -79.41, -57.36) 06/01/2020   01:40:08  ( -79.43, -57.39)    1.95                28
 06/01/2020   02:30:26   (  79.44, 109.75) 06/01/2020   02:31:10  (  79.44, 109.93)    3.52                44
 06/01/2020   03:21:10   ( -79.45, -82.98) 06/01/2020   03:22:09  ( -79.42, -83.00)    2.94                59