Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2019 7 16.  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)
 07/22/2019   21:21:28   ( -80.04,   1.65) 07/22/2019   21:20:18  ( -80.04,   1.70)    1.07                70
 07/22/2019   22:12:12   (  80.03, 169.06) 07/22/2019   22:11:17  (  80.04, 168.99)    1.71                55
 07/22/2019   23:02:57   ( -80.04, -23.68) 07/22/2019   23:02:18  ( -80.06, -23.55)    3.33                39
 07/22/2019   23:53:42   (  80.06, 143.44) 07/22/2019   23:53:18  (  80.04, 143.43)    2.15                24
 07/23/2019   00:44:26   ( -80.03, -49.00) 07/23/2019   00:44:19  ( -80.05, -49.12)    3.06                 7
 07/23/2019   01:35:11   (  80.05, 118.11) 07/23/2019   01:35:18  (  80.06, 118.19)    1.54                 7
 07/23/2019   02:25:56   ( -80.06, -74.63) 07/23/2019   02:26:20  ( -80.05, -74.68)    1.45                24
 07/23/2019   03:16:40   (  80.05,  92.78) 07/23/2019   03:17:19  (  80.05,  92.63)    3.07                39
 07/23/2019   04:07:25   ( -80.05, -99.96) 07/23/2019   04:08:20  ( -80.07, -99.93)    1.52                55