Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2019 10 31.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/31/2019   18:12:26   (   0.00, -75.20) (   0.87, -71.33)  440.24                80
 11/02/2019   06:36:37   (  -0.00, -75.20) (   0.29, -76.54)  152.52                80
 11/03/2019   06:15:02   (  -0.00, -75.20) (  -0.72, -71.96)  369.07                80
 11/04/2019   18:36:42   (   0.00, -75.21) (  -0.44, -77.20)  227.14                80
 11/05/2019   18:20:27   (  -0.00, -75.22) (   0.58, -72.63)  294.98                80
 11/07/2019   06:41:58   (   0.00, -75.23) (   0.59, -77.83)  296.48                80
 11/08/2019   06:20:23   (   0.00, -75.24) (  -0.42, -73.25)  226.04                80
 11/09/2019   18:42:03   (  -0.00, -75.26) (  -0.73, -78.50)  368.87                80
 11/10/2019   18:25:47   (  -0.00, -75.28) (   0.29, -73.92)  154.03                80
 11/12/2019   06:47:20   (   0.00, -75.30) (   0.83, -79.14)  436.46                80
 11/13/2019   06:25:44   (   0.01, -75.32) (  -0.18, -74.56)   86.64                80