Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 3 16.  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   11:55:41   ( -79.41, 148.59) 03/24/2020   11:54:32  ( -79.41, 146.09)   51.08                69
 03/24/2020   12:46:29   (  79.57, -45.39) 03/24/2020   12:45:23  (  79.54, -45.41)    2.98                66
 03/24/2020   13:37:14   ( -79.57, 121.89) 03/24/2020   13:36:27  ( -79.55, 121.91)    2.48                47
 03/24/2020   14:27:58   (  79.56, -70.73) 03/24/2020   14:27:23  (  79.56, -70.72)    0.60                35
 03/24/2020   15:18:43   ( -79.57,  96.54) 03/24/2020   15:18:27  ( -79.57,  96.59)    1.03                16
 03/24/2020   16:09:27   (  79.56, -96.08) 03/24/2020   16:09:23  (  79.58, -96.03)    2.08                 4
 03/24/2020   17:00:12   ( -79.56,  71.20) 03/24/2020   17:00:27  ( -79.58,  71.28)    2.80                15
 03/24/2020   17:50:57   (  79.59,-121.70) 03/24/2020   17:51:24  (  79.57,-121.63)    2.92                27
 03/24/2020   18:41:42   ( -79.59,  45.57) 03/24/2020   18:42:28  ( -79.57,  45.68)    3.01                46
 03/24/2020   19:32:26   (  79.59,-147.05) 03/24/2020   19:33:24  (  79.59,-146.94)    2.26                58