Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2019 4 21.  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   04:59:52   ( -80.18,-114.24) 05/02/2019   04:58:39  ( -80.16,-114.37)    3.21                73
 05/02/2019   05:50:37   (  80.18,  53.11) 05/02/2019   05:49:43  (  80.17,  53.05)    1.15                54
 05/02/2019   06:41:21   ( -80.18,-139.55) 05/02/2019   06:40:39  ( -80.18,-139.58)    0.83                42
 05/02/2019   07:32:06   (  80.17,  27.79) 05/02/2019   07:31:43  (  80.19,  27.83)    2.45                23
 05/02/2019   08:22:51   ( -80.20,-165.18) 05/02/2019   08:22:40  ( -80.18,-165.12)    2.44                11
 05/02/2019   09:13:36   (  80.20,   2.16) 05/02/2019   09:13:44  (  80.19,   2.29)    2.54                 8
 05/02/2019   10:04:20   ( -80.19, 169.50) 05/02/2019   10:04:40  ( -80.20, 169.67)    3.16                20
 05/02/2019   10:55:05   (  80.19, -23.16) 05/02/2019   10:55:45  (  80.19, -23.25)    1.75                40
 05/02/2019   11:45:49   ( -80.19, 144.18) 05/02/2019   11:46:41  ( -80.20, 144.13)    1.27                52
 05/02/2019   12:36:34   (  80.19, -48.47) 05/02/2019   12:37:45  (  80.21, -48.46)    2.34                71