Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2019 5 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/27/2019   06:45:46   (  -0.00, -75.19) (   0.76, -78.61)  390.04                80
 05/28/2019   06:24:11   (  -0.00, -75.19) (  -0.28, -74.05)  131.33                80
 05/29/2019   18:45:53   (   0.00, -75.21) (  -0.89, -79.29)  464.82                80
 05/30/2019   18:29:37   (   0.00, -75.22) (   0.09, -74.71)   57.06                80
 06/02/2019   06:32:15   (  -0.00, -75.23) (   0.00, -75.36)   14.04                80
 06/04/2019   18:32:22   (   0.01, -75.26) (  -0.14, -76.04)   87.91                80
 06/05/2019   18:16:06   (   0.01, -75.27) (   0.84, -71.46)  434.09                80
 06/07/2019   06:37:39   (  -0.02, -75.28) (   0.29, -76.67)  158.20                80
 06/08/2019   06:16:04   (  -0.01, -75.29) (  -0.75, -72.11)  364.06                80
 06/09/2019   18:37:44   (   0.01, -75.32) (  -0.47, -77.34)  230.84                80