Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 6 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/05/2020   06:46:07   (   0.00, -75.16) (   0.75, -78.49)  380.22                80
 06/06/2020   06:24:31   (  -0.00, -75.15) (  -0.25, -73.91)  140.90                80
 06/07/2020   18:46:10   (   0.00, -75.15) (  -0.91, -79.14)  455.77                80
 06/08/2020   18:29:55   (   0.01, -75.15) (   0.15, -74.57)   65.97                80
 06/11/2020   06:32:27   (  -0.01, -75.15) (   0.02, -75.17)    4.48                80
 06/13/2020   18:32:31   (   0.00, -75.16) (  -0.12, -75.83)   76.15                80
 06/14/2020   18:16:15   (   0.00, -75.17) (   0.88, -71.25)  446.82                80
 06/16/2020   06:37:44   (  -0.00, -75.19) (   0.30, -76.44)  143.09                80
 06/17/2020   06:16:09   (  -0.00, -75.20) (  -0.76, -71.87)  379.97                80
 06/18/2020   18:37:48   (   0.00, -75.21) (  -0.39, -77.10)  214.29                80