Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 1 4.  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   (  79.71,  57.93) 01/16/2020   05:47:06  (  79.69,  57.98)    1.78                66
 01/16/2020   06:38:56   ( -79.71,-134.79) 01/16/2020   06:38:03  ( -79.69,-134.84)    2.93                53
 01/16/2020   07:29:41   (  79.70,  32.59) 01/16/2020   07:29:06  (  79.71,  32.69)    2.23                35
 01/16/2020   08:20:25   ( -79.71,-160.13) 01/16/2020   08:20:03  ( -79.71,-160.13)    0.32                22
 01/16/2020   09:11:10   (  79.70,   7.25) 01/16/2020   09:11:07  (  79.70,   7.09)    3.08                 3
 01/16/2020   10:01:54   ( -79.70, 174.53) 01/16/2020   10:02:03  ( -79.72, 174.57)    2.30                 9
 01/16/2020   10:52:40   (  79.73, -18.38) 01/16/2020   10:53:07  (  79.72, -18.20)    3.52                27
 01/16/2020   11:43:24   ( -79.73, 148.90) 01/16/2020   11:44:04  ( -79.72, 148.98)    2.42                40
 01/16/2020   12:34:09   (  79.73, -43.72) 01/16/2020   12:35:08  (  79.71, -43.80)    1.95                59