Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 1 30.  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)
 01/30/2020   03:00:39   (  79.71,  99.82) 01/30/2020   03:01:13  (  79.68,  99.92)    3.22                34
 01/30/2020   03:51:22   ( -79.68, -92.62) 01/30/2020   03:52:12  ( -79.70, -92.65)    2.48                50
 01/30/2020   04:42:08   (  79.70,  74.48) 01/30/2020   04:43:13  (  79.70,  74.62)    2.93                65
 02/12/2020   13:13:25   ( -79.64, 127.19) 02/12/2020   13:12:19  ( -79.63, 127.11)    2.12                66
 02/12/2020   14:04:10   (  79.66, -65.60) 02/12/2020   14:03:16  (  79.64, -65.52)    2.41                54
 02/12/2020   14:54:54   ( -79.64, 101.85) 02/12/2020   14:54:19  ( -79.65, 101.81)    1.15                35
 02/12/2020   15:45:39   (  79.65, -90.95) 02/12/2020   15:45:16  (  79.66, -90.82)    2.54                23
 02/12/2020   16:36:24   ( -79.67,  76.22) 02/12/2020   16:36:20  ( -79.64,  76.22)    3.16                 4
 02/12/2020   17:27:08   (  79.65,-116.29) 02/12/2020   17:27:17  (  79.65,-116.42)    2.64                 9
 02/12/2020   18:17:53   ( -79.67,  50.88) 02/12/2020   18:18:20  ( -79.66,  50.92)    1.04                27
 02/12/2020   19:08:37   (  79.65,-141.63) 02/12/2020   19:09:17  (  79.67,-141.72)    3.05                40
 02/12/2020   19:59:21   ( -79.66,  25.54) 02/12/2020   20:00:19  ( -79.68,  25.62)    2.34                58