Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 3 13.  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   ( -79.40, 148.64) 03/24/2020   11:54:32  ( -79.42, 146.13)   51.32                69
 03/24/2020   12:46:30   (  79.56, -45.34) 03/24/2020   12:45:24  (  79.54, -45.38)    2.11                66
 03/24/2020   13:37:15   ( -79.56, 121.94) 03/24/2020   13:36:28  ( -79.55, 121.95)    1.20                47
 03/24/2020   14:27:59   (  79.56, -70.69) 03/24/2020   14:27:24  (  79.56, -70.69)    0.44                35
 03/24/2020   15:18:44   ( -79.56,  96.60) 03/24/2020   15:18:28  ( -79.57,  96.64)    1.44                16
 03/24/2020   16:09:28   (  79.55, -96.04) 03/24/2020   16:09:24  (  79.58, -96.00)    2.94                 4
 03/24/2020   17:00:14   ( -79.59,  70.98) 03/24/2020   17:00:29  ( -79.56,  71.04)    3.40                15
 03/24/2020   17:50:58   (  79.58,-121.66) 03/24/2020   17:51:25  (  79.57,-121.59)    1.95                27
 03/24/2020   18:41:43   ( -79.59,  45.63) 03/24/2020   18:42:29  ( -79.58,  45.73)    2.10                46
 03/24/2020   19:32:27   (  79.58,-147.00) 03/24/2020   19:33:25  (  79.59,-146.90)    2.24                58