Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2019 4 25.  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,-114.21) 05/02/2019   04:58:38  ( -80.18,-114.10)    2.10                74
 05/02/2019   05:50:37   (  80.17,  53.17) 05/02/2019   05:49:43  (  80.17,  53.02)    2.84                54
 05/02/2019   06:41:21   ( -80.17,-139.53) 05/02/2019   06:40:39  ( -80.18,-139.64)    2.15                42
 05/02/2019   07:32:06   (  80.17,  27.85) 05/02/2019   07:31:43  (  80.19,  27.80)    2.82                23
 05/02/2019   08:22:51   ( -80.19,-165.15) 05/02/2019   08:22:40  ( -80.17,-165.17)    2.28                11
 05/02/2019   09:13:36   (  80.19,   2.22) 05/02/2019   09:13:44  (  80.19,   2.26)    0.73                 8
 05/02/2019   10:04:20   ( -80.19, 169.53) 05/02/2019   10:04:40  ( -80.19, 169.61)    1.60                20
 05/02/2019   10:55:05   (  80.18, -23.09) 05/02/2019   10:55:45  (  80.19, -23.28)    3.52                40
 05/02/2019   11:45:49   ( -80.19, 144.22) 05/02/2019   11:46:41  ( -80.19, 144.08)    2.71                52
 05/02/2019   12:36:34   (  80.18, -48.41) 05/02/2019   12:37:45  (  80.20, -48.50)    3.16                71