Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2019 11 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)
 11/07/2019   06:41:58   (  -0.00, -75.20) (   0.61, -77.82)  299.74                80
 11/08/2019   06:20:23   (   0.00, -75.20) (  -0.46, -73.26)  222.04                80
 11/09/2019   18:42:02   (   0.00, -75.21) (  -0.75, -78.49)  374.05                80
 11/10/2019   18:25:47   (  -0.00, -75.22) (   0.26, -73.91)  148.14                80
 11/12/2019   06:47:19   (   0.00, -75.23) (   0.85, -79.13)  443.44                80
 11/13/2019   06:25:44   (   0.00, -75.24) (  -0.16, -74.55)   78.77                80
 11/15/2019   18:31:09   (  -0.00, -75.26) (   0.03, -75.22)    6.24                80
 11/18/2019   06:33:44   (   0.00, -75.29) (   0.14, -75.84)   63.29                80
 11/19/2019   06:12:09   (   0.00, -75.30) (  -0.87, -71.27)  459.26                80
 11/20/2019   18:33:49   (   0.00, -75.32) (  -0.25, -76.51)  135.62                80