Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 8 14.  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)
 08/21/2020   23:03:41   ( -79.23, -16.73) 08/21/2020   23:02:31  ( -79.21, -16.69)    2.65                70
 08/21/2020   23:54:26   (  79.23, 150.56) 08/21/2020   23:53:33  (  79.20, 150.51)    3.68                53
 08/22/2020   00:45:10   ( -79.23, -42.08) 08/22/2020   00:44:31  ( -79.22, -42.05)    0.91                39
 08/22/2020   01:35:55   (  79.23, 125.20) 08/22/2020   01:35:33  (  79.22, 125.15)    1.79                22
 08/22/2020   02:26:39   ( -79.23, -67.44) 08/22/2020   02:26:31  ( -79.24, -67.41)    1.59                 8
 08/22/2020   03:17:24   (  79.23,  99.85) 08/22/2020   03:17:33  (  79.24,  99.80)    1.11                 9
 08/22/2020   04:08:08   ( -79.23, -92.80) 08/22/2020   04:08:31  ( -79.26, -92.76)    3.47                23
 08/22/2020   04:58:53   (  79.23,  74.49) 08/22/2020   04:59:33  (  79.25,  74.45)    2.74                40
 08/22/2020   05:49:38   ( -79.26,-118.42) 08/22/2020   05:50:32  ( -79.24,-118.39)    1.94                54
 08/22/2020   06:40:23   (  79.26,  48.87) 08/22/2020   06:41:34  (  79.24,  48.83)    2.76                71