Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 3 18.  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   ( -79.39, 148.72) 03/24/2020   11:54:32  ( -79.40, 145.93)   56.99                68
 03/24/2020   12:46:29   (  79.55, -45.25) 03/24/2020   12:45:23  (  79.55, -45.28)    0.76                66
 03/24/2020   13:37:14   ( -79.55, 122.02) 03/24/2020   13:36:27  ( -79.56, 122.03)    0.71                47
 03/24/2020   14:27:58   (  79.55, -70.59) 03/24/2020   14:27:23  (  79.57, -70.59)    2.78                35
 03/24/2020   15:18:43   ( -79.55,  96.67) 03/24/2020   15:18:27  ( -79.58,  96.72)    3.14                16
 03/24/2020   16:09:28   (  79.58, -96.22) 03/24/2020   16:09:24  (  79.56, -96.19)    1.67                 4
 03/24/2020   17:00:13   ( -79.58,  71.05) 03/24/2020   17:00:28  ( -79.57,  71.12)    1.88                15
 03/24/2020   17:50:57   (  79.57,-121.56) 03/24/2020   17:51:24  (  79.58,-121.50)    1.57                27
 03/24/2020   18:41:42   ( -79.58,  45.71) 03/24/2020   18:42:28  ( -79.59,  45.81)    2.20                46
 03/24/2020   19:32:26   (  79.57,-146.91) 03/24/2020   19:33:25  (  79.57,-147.09)    3.71                59