Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 1 28.  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,   9.12)    2.90                75
 01/29/2020   21:56:10   (  79.66, 176.37) 01/29/2020   21:55:11  (  79.68, 176.40)    2.90                59
 01/29/2020   22:46:54   ( -79.66, -16.34) 01/29/2020   22:46:11  ( -79.67, -16.47)    2.98                43
 01/29/2020   23:37:40   (  79.69, 150.75) 01/29/2020   23:37:12  (  79.67, 150.80)    1.66                28
 01/30/2020   00:28:24   ( -79.69, -41.96) 01/30/2020   00:28:12  ( -79.66, -42.06)    3.46                12
 01/30/2020   01:19:09   (  79.68, 125.41) 01/30/2020   01:19:12  (  79.69, 125.50)    2.15                 3
 01/30/2020   02:09:53   ( -79.68, -67.30) 01/30/2020   02:10:12  ( -79.68, -67.36)    1.22                19
 01/30/2020   03:00:38   (  79.68, 100.06) 01/30/2020   03:01:13  (  79.68,  99.90)    3.24                35
 01/30/2020   03:51:22   ( -79.68, -92.64) 01/30/2020   03:52:12  ( -79.70, -92.65)    2.09                50
 01/30/2020   04:42:08   (  79.71,  74.44) 01/30/2020   04:43:13  (  79.70,  74.60)    3.31                65