Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 7 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/02/2020   06:34:37   (   0.00, -75.20) (   0.10, -75.64)   49.75                80
 07/03/2020   06:13:01   (  -0.02, -75.20) (  -0.96, -71.06)  472.14                80
 07/04/2020   18:34:40   (   0.02, -75.21) (  -0.24, -76.29)  123.10                80
 07/05/2020   18:18:24   (   0.02, -75.22) (   0.83, -71.72)  399.75                80
 07/07/2020   06:39:53   (  -0.02, -75.23) (   0.36, -76.90)  190.15                80
 07/08/2020   06:18:17   (  -0.01, -75.25) (  -0.65, -72.32)  333.20                80
 07/09/2020   18:39:56   (   0.00, -75.26) (  -0.49, -77.55)  260.37                80
 07/10/2020   18:23:40   (  -0.01, -75.28) (   0.53, -72.97)  263.71                80
 07/12/2020   06:45:09   (   0.01, -75.31) (   0.67, -78.16)  324.51                80
 07/13/2020   06:23:34   (   0.01, -75.33) (  -0.39, -73.58)  199.66                80
 07/14/2020   18:45:12   (  -0.00, -75.36) (  -0.78, -78.81)  393.27                80