Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2019 5 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/29/2019   18:45:52   (  -0.00, -75.20) (  -0.91, -79.29)  466.06                80
 05/30/2019   18:29:38   (  -0.00, -75.20) (   0.13, -74.72)   55.09                80
 06/02/2019   06:32:14   (  -0.00, -75.20) (   0.01, -75.36)   17.73                80
 06/04/2019   18:32:20   (   0.01, -75.21) (  -0.20, -76.02)   93.55                80
 06/05/2019   18:16:06   (   0.02, -75.21) (   0.85, -71.46)  427.74                80
 06/07/2019   06:37:38   (  -0.02, -75.21) (   0.28, -76.67)  165.58                80
 06/08/2019   06:16:03   (  -0.02, -75.22) (  -0.71, -72.09)  355.94                80
 06/09/2019   18:37:44   (   0.03, -75.23) (  -0.45, -77.34)  240.21                80
 06/10/2019   18:21:30   (   0.03, -75.24) (   0.59, -72.77)  281.90                80