Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 1 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)
 01/29/2020   21:05:25   ( -79.66,   9.01) 01/29/2020   21:04:10  ( -79.68,   9.08)    2.02                75
 01/29/2020   21:56:10   (  79.66, 176.33) 01/29/2020   21:55:11  (  79.68, 176.32)    1.54                59
 01/29/2020   22:46:55   ( -79.69, -16.62) 01/29/2020   22:46:11  ( -79.67, -16.51)    3.28                44
 01/29/2020   23:37:40   (  79.69, 150.70) 01/29/2020   23:37:12  (  79.67, 150.72)    2.66                28
 01/30/2020   00:28:24   ( -79.69, -41.96) 01/30/2020   00:28:11  ( -79.69, -41.81)    2.89                13
 01/30/2020   01:19:09   (  79.69, 125.36) 01/30/2020   01:19:12  (  79.69, 125.42)    1.13                 3
 01/30/2020   02:09:53   ( -79.68, -67.30) 01/30/2020   02:10:12  ( -79.68, -67.40)    2.18                19
 01/30/2020   03:00:38   (  79.68, 100.02) 01/30/2020   03:01:12  (  79.70, 100.12)    2.86                34
 01/30/2020   03:51:22   ( -79.68, -92.64) 01/30/2020   03:52:12  ( -79.70, -92.70)    2.07                50
 01/30/2020   04:42:08   (  79.71,  74.39) 01/30/2020   04:43:13  (  79.69,  74.52)    3.20                65