Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 3 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)
 03/08/2020   06:31:56   (   0.04, -75.19) (   0.03, -75.27)    9.21                80
 03/10/2020   18:31:58   (  -0.03, -75.18) (  -0.22, -75.91)   84.23                80
 03/11/2020   18:15:43   (  -0.03, -75.18) (   0.82, -71.34)  437.58                80
 03/13/2020   06:37:13   (   0.04, -75.19) (   0.36, -76.53)  154.26                80
 03/14/2020   06:15:38   (   0.04, -75.19) (  -0.68, -71.96)  367.70                80
 03/15/2020   18:37:17   (  -0.04, -75.19) (  -0.48, -77.19)  228.22                80
 03/16/2020   18:21:02   (  -0.04, -75.20) (   0.56, -72.62)  294.18                80
 03/18/2020   06:42:32   (   0.04, -75.21) (   0.63, -77.81)  296.69                80
 03/19/2020   06:20:56   (   0.05, -75.22) (  -0.41, -73.24)  225.97                80
 03/20/2020   18:42:35   (  -0.04, -75.23) (  -0.80, -78.46)  368.89                80