Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 6 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/07/2020   18:46:10   (   0.00, -75.15) (  -0.92, -79.14)  454.75                80
 06/08/2020   18:29:55   (   0.01, -75.16) (   0.15, -74.57)   67.25                80
 06/11/2020   06:32:27   (  -0.01, -75.16) (   0.02, -75.17)    3.44                80
 06/13/2020   18:32:31   (   0.00, -75.18) (  -0.12, -75.83)   73.49                80
 06/14/2020   18:16:15   (   0.00, -75.20) (   0.88, -71.25)  449.74                80
 06/16/2020   06:37:44   (  -0.00, -75.22) (   0.29, -76.44)  139.69                80
 06/17/2020   06:16:09   (  -0.00, -75.23) (  -0.77, -71.87)  383.63                80
 06/18/2020   18:37:48   (   0.00, -75.25) (  -0.39, -77.10)  210.30                80
 06/19/2020   18:21:31   (  -0.00, -75.26) (   0.62, -72.52)  313.43                80