Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2019 5 1.  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,-114.10)    3.40                73
 05/02/2019   05:50:37   (  80.18,  53.12) 05/02/2019   05:49:43  (  80.17,  53.05)    1.32                54
 05/02/2019   06:41:21   ( -80.18,-139.61) 05/02/2019   06:40:39  ( -80.18,-139.64)    0.69                42
 05/02/2019   07:32:06   (  80.17,  27.80) 05/02/2019   07:31:43  (  80.19,  27.84)    2.56                23
 05/02/2019   08:22:50   ( -80.17,-164.92) 05/02/2019   08:22:39  ( -80.20,-164.85)    2.70                11
 05/02/2019   09:13:36   (  80.19,   2.18) 05/02/2019   09:13:44  (  80.19,   2.29)    2.28                 8
 05/02/2019   10:04:20   ( -80.20, 169.45) 05/02/2019   10:04:40  ( -80.19, 169.61)    3.05                20
 05/02/2019   10:55:05   (  80.19, -23.14) 05/02/2019   10:55:45  (  80.19, -23.25)    1.98                40
 05/02/2019   11:45:49   ( -80.19, 144.13) 05/02/2019   11:46:41  ( -80.19, 144.07)    1.14                52
 05/02/2019   12:36:34   (  80.18, -48.46) 05/02/2019   12:37:45  (  80.21, -48.46)    2.50                71