Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2019 6 17.  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)
 06/25/2019   15:37:23   (  80.08, -92.71) 06/25/2019   15:36:12  (  80.08, -92.78)    1.41                71
 06/25/2019   16:28:08   ( -80.09,  74.58) 06/25/2019   16:27:18  ( -80.09,  74.54)    0.83                50
 06/25/2019   17:18:52   (  80.08,-118.03) 06/25/2019   17:18:12  (  80.10,-118.02)    2.41                40
 06/25/2019   18:09:38   ( -80.11,  48.96) 06/25/2019   18:09:19  ( -80.08,  48.99)    2.75                19
 06/25/2019   19:00:22   (  80.10,-143.66) 06/25/2019   19:00:13  (  80.10,-143.58)    1.74                 9
 06/25/2019   19:51:07   ( -80.10,  23.63) 06/25/2019   19:51:19  ( -80.10,  23.75)    2.20                12
 06/25/2019   20:41:51   (  80.10,-168.98) 06/25/2019   20:42:14  (  80.09,-169.13)    2.92                23
 06/25/2019   21:32:36   ( -80.10,  -1.69) 06/25/2019   21:33:20  ( -80.10,  -1.81)    2.27                44
 06/25/2019   22:23:20   (  80.09, 165.69) 06/25/2019   22:24:14  (  80.11, 165.63)    2.30                54