Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2019 11 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 11/23/2019   06:39:05   (  -0.01, -75.19) (   0.40, -77.13)  220.53                80
 11/24/2019   06:17:29   (  -0.01, -75.19) (  -0.61, -72.55)  301.14                80
 11/25/2019   18:39:09   (   0.01, -75.21) (  -0.56, -77.79)  294.05                80
 11/26/2019   18:22:53   (   0.01, -75.21) (   0.46, -73.21)  227.96                80
 11/28/2019   06:44:24   (  -0.01, -75.22) (   0.73, -78.41)  364.64                80
 11/29/2019   06:22:50   (  -0.01, -75.23) (  -0.34, -73.85)  157.65                80
 11/30/2019   18:44:29   (   0.01, -75.25) (  -0.82, -79.08)  436.56                80
 12/01/2019   18:28:14   (   0.01, -75.26) (   0.20, -74.51)   86.31                80
 12/04/2019   06:28:10   (  -0.00, -75.29) (  -0.02, -75.13)   18.38                80
 12/06/2019   18:30:53   (  -0.00, -75.35) (  -0.11, -75.79)   50.97                80