Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 1 7.  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,  57.89) 01/16/2020   05:47:06  (  79.70,  58.02)    2.99                66
 01/16/2020   06:38:55   ( -79.69,-134.56) 01/16/2020   06:38:02  ( -79.71,-134.53)    3.24                53
 01/16/2020   07:29:41   (  79.71,  32.55) 01/16/2020   07:29:07  (  79.69,  32.42)    3.34                34
 01/16/2020   08:20:25   ( -79.71,-160.19) 01/16/2020   08:20:03  ( -79.71,-160.12)    1.63                22
 01/16/2020   09:11:10   (  79.71,   7.21) 01/16/2020   09:11:07  (  79.71,   7.12)    1.63                 3
 01/16/2020   10:01:54   ( -79.71, 174.47) 01/16/2020   10:02:03  ( -79.72, 174.59)    2.77                 9
 01/16/2020   10:52:39   (  79.70, -18.14) 01/16/2020   10:53:07  (  79.73, -18.17)    2.67                28
 01/16/2020   11:43:23   ( -79.71, 149.13) 01/16/2020   11:44:04  ( -79.72, 149.00)    2.81                41
 01/16/2020   12:34:09   (  79.73, -43.76) 01/16/2020   12:35:08  (  79.72, -43.77)    1.51                59