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   11:55:40   ( -79.39, 148.76) 03/24/2020   11:54:32  ( -79.40, 145.97)   57.19                68
 03/24/2020   12:46:29   (  79.54, -45.21) 03/24/2020   12:45:23  (  79.56, -45.25)    1.43                66
 03/24/2020   13:37:14   ( -79.55, 122.06) 03/24/2020   13:36:27  ( -79.56, 122.07)    1.58                47
 03/24/2020   14:27:59   (  79.57, -70.83) 03/24/2020   14:27:24  (  79.55, -70.85)    3.16                35
 03/24/2020   15:18:44   ( -79.58,  96.44) 03/24/2020   15:18:28  ( -79.55,  96.47)    2.83                16
 03/24/2020   16:09:28   (  79.57, -96.18) 03/24/2020   16:09:24  (  79.56, -96.15)    0.89                 4
 03/24/2020   17:00:13   ( -79.58,  71.10) 03/24/2020   17:00:28  ( -79.57,  71.15)    1.20                15
 03/24/2020   17:50:57   (  79.57,-121.52) 03/24/2020   17:51:24  (  79.58,-121.46)    2.02                27
 03/24/2020   18:41:42   ( -79.57,  45.75) 03/24/2020   18:42:28  ( -79.59,  45.84)    2.59                46
 03/24/2020   19:32:27   (  79.60,-147.15) 03/24/2020   19:33:25  (  79.57,-147.06)    3.21                58