Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2019 10 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/20/2019   18:23:19   (  -0.00, -75.21) (   0.40, -73.32)  214.73                80
 10/22/2019   06:44:50   (  -0.00, -75.20) (   0.75, -78.52)  378.99                80
 10/23/2019   06:23:15   (  -0.00, -75.20) (  -0.25, -73.94)  142.50                80
 10/24/2019   18:44:56   (   0.00, -75.22) (  -0.86, -79.20)  453.17                80
 10/25/2019   18:28:41   (   0.00, -75.22) (   0.15, -74.62)   68.88                80
 10/28/2019   06:31:17   (   0.00, -75.24) (   0.00, -75.25)    1.17                80
 10/30/2019   18:31:21   (  -0.01, -75.27) (  -0.15, -75.91)   72.94                80
 10/31/2019   18:15:06   (  -0.02, -75.29) (   0.86, -71.34)  449.98                80
 11/02/2019   06:36:37   (   0.02, -75.30) (   0.31, -76.54)  141.16                80