Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 11 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 11/06/2020   06:25:25   (   0.01, -75.17) (  -0.36, -73.63)  176.29                80
 11/07/2020   18:47:03   (  -0.01, -75.19) (  -0.80, -78.86)  416.93                80
 11/08/2020   18:30:46   (  -0.01, -75.20) (   0.18, -74.26)  106.14                80
 11/10/2020   06:52:15   (   0.00, -75.20) (   0.97, -79.45)  485.33                80
 11/11/2020   06:30:38   (   0.00, -75.20) (  -0.07, -74.87)   37.83                80
 11/13/2020   18:33:20   (  -0.00, -75.24) (  -0.04, -75.52)   30.88                80
 11/14/2020   18:17:03   (  -0.01, -75.26) (   0.94, -70.93)  493.02                80
 11/16/2020   06:38:32   (   0.00, -75.27) (   0.22, -76.11)   97.45                80
 11/17/2020   06:16:56   (   0.00, -75.28) (  -0.82, -71.53)  426.22                80
 11/18/2020   18:38:34   (  -0.00, -75.31) (  -0.32, -76.76)  165.45                80
 11/19/2020   18:22:17   (   0.00, -75.33) (   0.72, -72.18)  358.77                80