Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 4 6.  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)
 04/07/2020   04:03:39   ( -79.52, -94.25) 04/07/2020   04:02:25  ( -79.52, -94.31)    1.29                74
 04/07/2020   04:54:24   (  79.53,  72.97) 04/07/2020   04:53:25  (  79.52,  72.90)    1.92                59
 04/07/2020   05:45:08   ( -79.51,-119.60) 04/07/2020   05:44:25  ( -79.54,-119.63)    2.88                43
 04/07/2020   06:35:53   (  79.52,  47.63) 04/07/2020   06:35:25  (  79.53,  47.59)    1.46                28
 04/07/2020   07:26:38   ( -79.54,-145.22) 04/07/2020   07:26:26  ( -79.53,-145.23)    1.64                12
 04/07/2020   08:17:23   (  79.55,  22.00) 04/07/2020   08:17:26  (  79.52,  21.99)    3.21                 3
 04/07/2020   09:08:07   ( -79.54,-170.57) 04/07/2020   09:08:26  ( -79.55,-170.55)    0.82                19
 04/07/2020   09:58:52   (  79.55,  -3.34) 04/07/2020   09:59:26  (  79.54,  -3.32)    0.93                34
 04/07/2020   10:49:36   ( -79.54, 164.08) 04/07/2020   10:50:26  ( -79.56, 164.14)    3.18                50
 04/07/2020   11:40:21   (  79.55, -28.69) 04/07/2020   11:41:26  (  79.56, -28.64)    1.91                65