Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2019 4 30.  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)
 05/02/2019   04:59:51   ( -80.17,-114.14) 05/02/2019   04:58:38  ( -80.17,-114.28)    2.58                73
 05/02/2019   05:50:36   (  80.16,  53.26) 05/02/2019   05:49:42  (  80.18,  53.19)    2.63                54
 05/02/2019   06:41:20   ( -80.17,-139.46) 05/02/2019   06:40:38  ( -80.19,-139.49)    2.30                42
 05/02/2019   07:32:06   (  80.19,  27.63) 05/02/2019   07:31:43  (  80.18,  27.65)    0.64                23
 05/02/2019   08:22:50   ( -80.19,-165.09) 05/02/2019   08:22:39  ( -80.18,-165.03)    1.22                11
 05/02/2019   09:13:35   (  80.18,   2.32) 05/02/2019   09:13:43  (  80.20,   2.44)    3.06                 8
 05/02/2019   10:04:19   ( -80.18, 169.59) 05/02/2019   10:04:40  ( -80.18, 169.43)    3.09                21
 05/02/2019   10:55:04   (  80.18, -23.00) 05/02/2019   10:55:44  (  80.20, -23.11)    3.03                40
 05/02/2019   11:45:48   ( -80.18, 144.28) 05/02/2019   11:46:40  ( -80.20, 144.22)    2.59                52
 05/02/2019   12:36:34   (  80.20, -48.63) 05/02/2019   12:37:45  (  80.19, -48.65)    0.62                71