Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 9 10.  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)
 09/18/2020   08:10:01   (  79.14,  27.42) 09/18/2020   08:08:46  (  79.14,  27.32)    2.13                75
 09/18/2020   09:00:45   ( -79.15,-165.31) 09/18/2020   08:59:41  ( -79.16,-165.27)    1.47                64
 09/18/2020   09:51:30   (  79.14,   2.06) 09/18/2020   09:50:46  (  79.16,   1.96)    3.12                44
 09/18/2020   10:42:14   ( -79.15, 169.33) 09/18/2020   10:41:41  ( -79.18, 169.37)    3.25                33
 09/18/2020   11:33:00   (  79.17, -23.55) 09/18/2020   11:32:46  (  79.18, -23.40)    3.17                14
 09/18/2020   12:23:44   ( -79.18, 143.71) 09/18/2020   12:23:42  ( -79.16, 143.74)    2.29                 2
 09/18/2020   13:14:29   (  79.17, -48.91) 09/18/2020   13:14:47  (  79.16, -49.03)    2.78                18
 09/18/2020   14:05:13   ( -79.18, 118.35) 09/18/2020   14:05:42  ( -79.18, 118.38)    0.58                29
 09/18/2020   14:55:58   (  79.17, -74.27) 09/18/2020   14:56:47  (  79.18, -74.39)    2.65                49
 09/18/2020   15:46:42   ( -79.18,  92.99) 09/18/2020   15:47:42  ( -79.19,  93.02)    1.76                60
 09/18/2020   16:37:35   (  79.44,-101.74) 09/18/2020   16:38:40  (  79.40, -97.83)   79.81                65