Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2019 7 14.  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   ( -80.03,   1.79) 07/22/2019   21:20:18  ( -80.05,   1.78)    1.91                70
 07/22/2019   22:12:13   (  80.05, 168.90) 07/22/2019   22:11:17  (  80.05, 169.06)    3.03                56
 07/22/2019   23:02:58   ( -80.05, -23.84) 07/22/2019   23:02:19  ( -80.04, -23.79)    1.63                39
 07/22/2019   23:53:42   (  80.04, 143.58) 07/22/2019   23:53:18  (  80.04, 143.50)    1.51                24
 07/23/2019   00:44:27   ( -80.05, -49.16) 07/23/2019   00:44:19  ( -80.06, -49.04)    2.62                 8
 07/23/2019   01:35:11   (  80.04, 118.25) 07/23/2019   01:35:18  (  80.06, 118.25)    2.48                 7
 07/23/2019   02:25:56   ( -80.04, -74.49) 07/23/2019   02:26:20  ( -80.05, -74.61)    2.56                24
 07/23/2019   03:16:41   (  80.06,  92.62) 07/23/2019   03:17:19  (  80.06,  92.69)    1.47                38
 07/23/2019   04:07:25   ( -80.07,-100.11) 07/23/2019   04:08:20  ( -80.05,-100.17)    2.40                55