Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 1 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)
 01/16/2020   05:48:12   (  79.69,  58.05) 01/16/2020   05:47:06  (  79.71,  58.14)    2.42                66
 01/16/2020   06:38:56   ( -79.70,-134.71) 01/16/2020   06:38:03  ( -79.70,-134.73)    0.82                53
 01/16/2020   07:29:42   (  79.72,  32.43) 01/16/2020   07:29:07  (  79.70,  32.55)    3.28                35
 01/16/2020   08:20:25   ( -79.70,-160.05) 01/16/2020   08:20:03  ( -79.71,-160.03)    1.79                22
 01/16/2020   09:11:11   (  79.72,   7.09) 01/16/2020   09:11:07  (  79.72,   7.25)    3.17                 4
 01/16/2020   10:01:55   ( -79.73, 174.32) 01/16/2020   10:02:04  ( -79.71, 174.38)    2.60                 9
 01/16/2020   10:52:40   (  79.71, -18.25) 01/16/2020   10:53:08  (  79.71, -18.35)    1.92                28
 01/16/2020   11:43:24   ( -79.72, 148.98) 01/16/2020   11:44:04  ( -79.72, 149.09)    2.14                40
 01/16/2020   12:34:09   (  79.71, -43.59) 01/16/2020   12:35:08  (  79.73, -43.64)    2.13                59