Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 1 25.  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   21:05:26   ( -79.68,   8.88) 01/29/2020   21:04:11  ( -79.66,   8.94)    1.92                75
 01/29/2020   21:56:11   (  79.67, 176.23) 01/29/2020   21:55:12  (  79.67, 176.20)    1.05                59
 01/29/2020   22:46:55   ( -79.67, -16.46) 01/29/2020   22:46:11  ( -79.68, -16.35)    2.29                44
 01/29/2020   23:37:40   (  79.67, 150.89) 01/29/2020   23:37:12  (  79.68, 150.90)    1.51                28
 01/30/2020   00:28:24   ( -79.67, -41.80) 01/30/2020   00:28:12  ( -79.67, -41.94)    2.90                12
 01/30/2020   01:19:10   (  79.70, 125.26) 01/30/2020   01:19:13  (  79.67, 125.30)    2.77                 3
 01/30/2020   02:09:53   ( -79.67, -67.14) 01/30/2020   02:10:12  ( -79.69, -67.24)    3.47                19
 01/30/2020   03:00:39   (  79.70,  99.92) 01/30/2020   03:01:13  (  79.69, 100.00)    1.63                34
 01/30/2020   03:51:23   ( -79.70, -92.76) 01/30/2020   03:52:13  ( -79.68, -92.83)    1.84                50
 01/30/2020   04:42:08   (  79.69,  74.58) 01/30/2020   04:43:13  (  79.71,  74.70)    3.20                65