Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2019 5 4.  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)
 05/15/2019   19:26:35   ( -80.17,  29.19) 05/15/2019   19:25:23  ( -80.14,  29.19)    2.74                72
 05/15/2019   20:17:20   (  80.17,-163.48) 05/15/2019   20:16:24  (  80.16,-163.31)    3.22                56
 05/15/2019   21:08:04   ( -80.16,   3.87) 05/15/2019   21:07:23  ( -80.16,   3.97)    1.91                41
 05/15/2019   21:58:49   (  80.16, 171.20) 05/15/2019   21:58:25  (  80.16, 171.14)    1.22                24
 05/15/2019   22:49:33   ( -80.16, -21.45) 05/15/2019   22:49:24  ( -80.16, -21.56)    2.27                 9
 05/15/2019   23:40:18   (  80.16, 145.88) 05/15/2019   23:40:25  (  80.18, 145.92)    2.25                 7
 05/16/2019   00:31:03   ( -80.18, -47.07) 05/16/2019   00:31:25  ( -80.16, -47.10)    2.76                22
 05/16/2019   01:21:48   (  80.18, 120.26) 05/16/2019   01:22:26  (  80.17, 120.38)    2.43                38
 05/16/2019   02:12:32   ( -80.18, -72.39) 05/16/2019   02:13:25  ( -80.18, -72.32)    1.32                53