Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 1 15.  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   (  79.70,  57.96) 01/16/2020   05:47:06  (  79.70,  58.04)    1.67                66
 01/16/2020   06:38:56   ( -79.71,-134.81) 01/16/2020   06:38:03  ( -79.69,-134.84)    3.05                53
 01/16/2020   07:29:41   (  79.70,  32.62) 01/16/2020   07:29:06  (  79.72,  32.74)    3.17                35
 01/16/2020   08:20:25   ( -79.71,-160.15) 01/16/2020   08:20:03  ( -79.70,-160.13)    0.66                22
 01/16/2020   09:11:10   (  79.70,   7.28) 01/16/2020   09:11:07  (  79.71,   7.15)    2.91                 3
 01/16/2020   10:01:54   ( -79.71, 174.51) 01/16/2020   10:02:03  ( -79.72, 174.57)    2.27                 9
 01/16/2020   10:52:40   (  79.72, -18.35) 01/16/2020   10:53:08  (  79.70, -18.44)    3.29                28
 01/16/2020   11:43:24   ( -79.73, 148.88) 01/16/2020   11:44:04  ( -79.71, 148.98)    2.86                40
 01/16/2020   12:34:09   (  79.72, -43.69) 01/16/2020   12:35:08  (  79.72, -43.74)    1.11                59