Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2019 7 10.  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   21:21:29   ( -80.06,   1.50) 07/22/2019   21:20:18  ( -80.03,   1.59)    3.18                71
 07/22/2019   22:12:13   (  80.05, 168.88) 07/22/2019   22:11:17  (  80.03, 168.86)    1.94                56
 07/22/2019   23:02:58   ( -80.05, -23.82) 07/22/2019   23:02:18  ( -80.05, -23.66)    3.16                40
 07/22/2019   23:53:42   (  80.05, 143.56) 07/22/2019   23:53:17  (  80.05, 143.61)    1.26                25
 07/23/2019   00:44:27   ( -80.05, -49.15) 07/23/2019   00:44:19  ( -80.05, -49.23)    1.50                 8
 07/23/2019   01:35:12   (  80.07, 117.93) 07/23/2019   01:35:18  (  80.05, 118.05)    3.36                 6
 07/23/2019   02:25:56   ( -80.04, -74.47) 07/23/2019   02:26:19  ( -80.06, -74.48)    2.42                23
 07/23/2019   03:16:41   (  80.07,  92.61) 07/23/2019   03:17:19  (  80.04,  92.49)    3.33                38
 07/23/2019   04:07:26   ( -80.07,-100.10) 07/23/2019   04:08:20  ( -80.06,-100.04)    1.31                54