Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2019 4 23.  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   ( -80.16,-113.98) 05/02/2019   04:58:38  ( -80.18,-114.08)    3.20                73
 05/02/2019   05:50:37   (  80.18,  53.07) 05/02/2019   05:49:43  (  80.17,  53.03)    1.11                54
 05/02/2019   06:41:21   ( -80.18,-139.61) 05/02/2019   06:40:39  ( -80.18,-139.61)    0.15                42
 05/02/2019   07:32:06   (  80.18,  27.75) 05/02/2019   07:31:43  (  80.19,  27.82)    2.16                23
 05/02/2019   08:22:50   ( -80.18,-164.93) 05/02/2019   08:22:39  ( -80.20,-164.83)    3.15                11
 05/02/2019   09:13:36   (  80.20,   2.12) 05/02/2019   09:13:44  (  80.19,   2.28)    3.05                 8
 05/02/2019   10:04:19   ( -80.17, 169.76) 05/02/2019   10:04:40  ( -80.20, 169.64)    3.58                21
 05/02/2019   10:55:05   (  80.19, -23.19) 05/02/2019   10:55:45  (  80.19, -23.26)    1.55                40
 05/02/2019   11:45:49   ( -80.19, 144.13) 05/02/2019   11:46:41  ( -80.19, 144.10)    0.55                52
 05/02/2019   12:36:34   (  80.19, -48.51) 05/02/2019   12:37:45  (  80.21, -48.48)    1.92                71