Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 3 20.  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)
 03/24/2020   11:55:40   ( -79.41, 148.61) 03/24/2020   11:54:31  ( -79.42, 146.19)   49.57                69
 03/24/2020   12:46:29   (  79.56, -45.34) 03/24/2020   12:45:23  (  79.55, -45.29)    1.37                66
 03/24/2020   13:37:14   ( -79.57, 121.91) 03/24/2020   13:36:27  ( -79.56, 122.01)    2.18                47
 03/24/2020   14:27:58   (  79.56, -70.69) 03/24/2020   14:27:23  (  79.57, -70.60)    2.32                35
 03/24/2020   15:18:43   ( -79.56,  96.57) 03/24/2020   15:18:27  ( -79.58,  96.70)    2.94                16
 03/24/2020   16:09:27   (  79.55, -96.03) 03/24/2020   16:09:24  (  79.56, -96.19)    3.31                 3
 03/24/2020   17:00:12   ( -79.56,  71.22) 03/24/2020   17:00:28  ( -79.57,  71.10)    2.54                16
 03/24/2020   17:50:57   (  79.58,-121.66) 03/24/2020   17:51:24  (  79.58,-121.50)    3.14                27
 03/24/2020   18:41:41   ( -79.56,  45.87) 03/24/2020   18:42:28  ( -79.58,  45.78)    3.38                47
 03/24/2020   19:32:26   (  79.58,-147.00) 03/24/2020   19:33:25  (  79.57,-147.10)    2.29                59