Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2019 8 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/04/2019   06:37:25   (  -0.03, -75.24) (   0.42, -77.33)  238.01                80
 08/05/2019   06:21:10   (  -0.03, -75.25) (  -0.58, -72.75)  284.38                80
 08/06/2019   18:40:10   (   0.04, -75.27) (  -0.57, -78.00)  310.78                80
 08/07/2019   18:23:56   (   0.04, -75.28) (   0.48, -73.43)  211.97                80
 08/09/2019   06:42:48   (  -0.04, -75.31) (   0.70, -78.64)  379.01                80
 08/10/2019   06:26:34   (  -0.04, -75.33) (  -0.35, -74.07)  143.98                80
 08/11/2019   18:45:33   (   0.05, -75.36) (  -0.86, -79.30)  450.37                80
 08/12/2019   18:29:18   (   0.05, -75.38) (   0.20, -74.74)   72.95                80
 08/15/2019   06:31:56   (  -0.06, -75.44) (  -0.07, -75.38)    6.82                80