Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 3 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)
 03/02/2020   06:45:33   (   0.05, -75.17) (   0.79, -78.57)  386.38                80
 03/03/2020   06:23:56   (   0.05, -75.18) (  -0.19, -73.98)  135.91                80
 03/04/2020   18:45:36   (  -0.06, -75.19) (  -0.93, -79.22)  459.14                80
 03/05/2020   18:29:20   (  -0.06, -75.20) (   0.05, -74.64)   63.41                80
 03/08/2020   06:31:55   (   0.07, -75.22) (   0.09, -75.26)    5.20                80
 03/10/2020   18:31:59   (  -0.07, -75.25) (  -0.22, -75.92)   76.14                80
 03/11/2020   18:15:43   (  -0.07, -75.26) (   0.82, -71.34)  447.19                80
 03/13/2020   06:37:13   (   0.07, -75.29) (   0.37, -76.54)  142.64                80
 03/14/2020   06:15:38   (   0.07, -75.31) (  -0.67, -71.96)  380.89                80