Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2019 5 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/28/2019   06:24:11   (  -0.00, -75.19) (  -0.24, -74.04)  131.32                80
 05/29/2019   18:45:52   (   0.00, -75.21) (  -0.93, -79.28)  464.67                80
 05/30/2019   18:29:37   (   0.00, -75.22) (   0.11, -74.72)   57.16                80
 06/02/2019   06:32:14   (   0.00, -75.23) (   0.03, -75.35)   13.55                80
 06/04/2019   18:32:21   (  -0.01, -75.26) (  -0.16, -76.03)   87.07                80
 06/05/2019   18:16:06   (  -0.02, -75.27) (   0.82, -71.45)  435.13                80
 06/07/2019   06:37:38   (   0.02, -75.28) (   0.30, -76.67)  157.01                80
 06/08/2019   06:16:02   (   0.02, -75.29) (  -0.68, -72.09)  365.25                80
 06/09/2019   18:37:44   (  -0.02, -75.32) (  -0.48, -77.33)  229.60                80
 06/10/2019   18:21:29   (  -0.02, -75.34) (   0.56, -72.77)  293.24                80