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, 148.58) 03/24/2020   11:54:31  ( -79.42, 146.16)   49.58                69
 03/24/2020   12:46:29   (  79.56, -45.38) 03/24/2020   12:45:23  (  79.55, -45.32)    2.12                66
 03/24/2020   13:37:14   ( -79.57, 121.88) 03/24/2020   13:36:27  ( -79.55, 121.97)    2.65                47
 03/24/2020   14:27:58   (  79.56, -70.73) 03/24/2020   14:27:23  (  79.57, -70.63)    1.93                35
 03/24/2020   15:18:43   ( -79.57,  96.53) 03/24/2020   15:18:27  ( -79.57,  96.66)    2.63                16
 03/24/2020   16:09:27   (  79.56, -96.07) 03/24/2020   16:09:24  (  79.56, -96.23)    3.18                 3
 03/24/2020   17:00:12   ( -79.57,  71.18) 03/24/2020   17:00:28  ( -79.56,  71.06)    2.53                16
 03/24/2020   17:50:56   (  79.56,-121.42) 03/24/2020   17:51:24  (  79.58,-121.54)    3.25                28
 03/24/2020   18:41:41   ( -79.56,  45.84) 03/24/2020   18:42:28  ( -79.58,  45.75)    2.72                47
 03/24/2020   19:32:26   (  79.59,-147.04) 03/24/2020   19:33:25  (  79.57,-147.14)    2.85                59