Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2019 4 20.  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   ( -80.19,-114.39) 05/02/2019   04:58:38  ( -80.17,-114.27)    3.56                74
 05/02/2019   05:50:36   (  80.16,  53.27) 05/02/2019   05:49:42  (  80.18,  53.14)    3.01                54
 05/02/2019   06:41:21   ( -80.19,-139.70) 05/02/2019   06:40:39  ( -80.17,-139.80)    3.13                42
 05/02/2019   07:32:06   (  80.19,  27.64) 05/02/2019   07:31:43  (  80.18,  27.60)    1.10                23
 05/02/2019   08:22:50   ( -80.18,-165.02) 05/02/2019   08:22:39  ( -80.19,-165.02)    0.16                11
 05/02/2019   09:13:35   (  80.18,   2.32) 05/02/2019   09:13:43  (  80.20,   2.39)    2.15                 8
 05/02/2019   10:04:20   ( -80.21, 169.35) 05/02/2019   10:04:40  ( -80.18, 169.44)    3.15                20
 05/02/2019   10:55:05   (  80.20, -23.31) 05/02/2019   10:55:44  (  80.19, -23.15)    3.10                39
 05/02/2019   11:45:49   ( -80.20, 144.03) 05/02/2019   11:46:41  ( -80.18, 143.91)    3.38                52
 05/02/2019   12:36:34   (  80.20, -48.62) 05/02/2019   12:37:45  (  80.19, -48.69)    1.57                71