Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 4 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/05/2020   18:39:33   (  -0.00, -75.17) (  -0.60, -77.70)  288.74                80
 04/06/2020   18:23:17   (  -0.00, -75.18) (   0.45, -73.12)  234.21                80
 04/08/2020   06:44:48   (   0.00, -75.19) (   0.69, -78.33)  356.98                80
 04/09/2020   06:23:12   (   0.00, -75.20) (  -0.30, -73.74)  166.12                80
 04/10/2020   18:44:51   (   0.00, -75.23) (  -0.82, -78.98)  426.82                80
 04/11/2020   18:28:35   (   0.01, -75.25) (   0.18, -74.40)   96.60                80
 04/13/2020   06:50:06   (  -0.02, -75.27) (   0.96, -79.60)  493.89                80
 04/14/2020   06:28:31   (  -0.02, -75.28) (  -0.09, -75.03)   29.85                80
 04/16/2020   18:31:12   (   0.01, -75.34) (  -0.09, -75.67)   37.89                80
 04/17/2020   18:14:57   (   0.01, -75.37) (   0.97, -71.10)  486.74                80