Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2019 5 8.  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   ( -80.16,  29.25) 05/15/2019   19:25:23  ( -80.14,  29.19)    2.51                72
 05/15/2019   20:17:20   (  80.16,-163.40) 05/15/2019   20:16:24  (  80.16,-163.30)    1.96                56
 05/15/2019   21:08:04   ( -80.16,   3.93) 05/15/2019   21:07:23  ( -80.16,   3.97)    0.84                41
 05/15/2019   21:58:49   (  80.15, 171.28) 05/15/2019   21:58:25  (  80.16, 171.16)    2.41                24
 05/15/2019   22:49:34   ( -80.18, -21.70) 05/15/2019   22:49:24  ( -80.16, -21.57)    3.39                10
 05/15/2019   23:40:19   (  80.18, 145.65) 05/15/2019   23:40:26  (  80.15, 145.61)    2.59                 7
 05/16/2019   00:31:03   ( -80.17, -47.02) 05/16/2019   00:31:25  ( -80.16, -47.11)    2.84                22
 05/16/2019   01:21:47   (  80.17, 120.33) 05/16/2019   01:22:25  (  80.17, 120.39)    1.04                38
 05/16/2019   02:12:31   ( -80.17, -72.34) 05/16/2019   02:13:24  ( -80.17, -72.33)    0.44                53