Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2019 11 22.  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   06:39:04   (   0.00, -75.19) (   0.45, -77.12)  220.19                80
 11/24/2019   06:17:28   (   0.00, -75.19) (  -0.56, -72.54)  301.58                80
 11/25/2019   18:39:09   (  -0.00, -75.21) (  -0.55, -77.79)  293.61                80
 11/26/2019   18:22:53   (  -0.00, -75.21) (   0.47, -73.21)  228.49                80
 11/28/2019   06:44:25   (   0.00, -75.22) (   0.72, -78.41)  364.17                80
 11/29/2019   06:22:49   (  -0.00, -75.23) (  -0.29, -73.84)  158.03                80
 11/30/2019   18:44:28   (   0.01, -75.25) (  -0.87, -79.07)  436.39                80
 12/01/2019   18:28:14   (   0.01, -75.26) (   0.21, -74.51)   86.39                80
 12/04/2019   06:28:10   (  -0.02, -75.30) (  -0.03, -75.13)   18.42                80