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, 148.74) 03/24/2020   11:54:32  ( -79.40, 145.99)   56.34                68
 03/24/2020   12:46:29   (  79.55, -45.22) 03/24/2020   12:45:23  (  79.56, -45.21)    1.54                66
 03/24/2020   13:37:14   ( -79.55, 122.05) 03/24/2020   13:36:27  ( -79.57, 122.09)    1.91                47
 03/24/2020   14:27:59   (  79.57, -70.84) 03/24/2020   14:27:24  (  79.55, -70.81)    2.88                35
 03/24/2020   15:18:44   ( -79.58,  96.43) 03/24/2020   15:18:28  ( -79.56,  96.49)    3.01                16
 03/24/2020   16:09:28   (  79.57, -96.19) 03/24/2020   16:09:24  (  79.57, -96.12)    1.43                 4
 03/24/2020   17:00:13   ( -79.58,  71.08) 03/24/2020   17:00:28  ( -79.57,  71.18)    2.04                15
 03/24/2020   17:50:57   (  79.57,-121.53) 03/24/2020   17:51:24  (  79.59,-121.43)    2.87                27
 03/24/2020   18:41:42   ( -79.57,  45.73) 03/24/2020   18:42:29  ( -79.56,  45.58)    3.31                47
 03/24/2020   19:32:26   (  79.57,-146.88) 03/24/2020   19:33:25  (  79.58,-147.02)    3.16                59