Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2019 7 15.  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,   1.70) 07/22/2019   21:20:18  ( -80.04,   1.74)    0.88                70
 07/22/2019   22:12:12   (  80.03, 169.11) 07/22/2019   22:11:17  (  80.05, 169.02)    2.55                55
 07/22/2019   23:02:58   ( -80.06, -23.92) 07/22/2019   23:02:19  ( -80.04, -23.83)    3.20                39
 07/22/2019   23:53:42   (  80.05, 143.49) 07/22/2019   23:53:18  (  80.04, 143.46)    1.45                24
 07/23/2019   00:44:27   ( -80.06, -49.25) 07/23/2019   00:44:19  ( -80.06, -49.08)    3.23                 8
 07/23/2019   01:35:11   (  80.05, 118.16) 07/23/2019   01:35:18  (  80.06, 118.22)    1.59                 7
 07/23/2019   02:25:56   ( -80.05, -74.57) 07/23/2019   02:26:20  ( -80.05, -74.65)    1.41                24
 07/23/2019   03:16:41   (  80.07,  92.53) 07/23/2019   03:17:19  (  80.06,  92.65)    3.06                38
 07/23/2019   04:07:25   ( -80.05, -99.90) 07/23/2019   04:08:20  ( -80.07, -99.90)    2.32                55