Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 3 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/14/2020   06:15:38   (   0.03, -75.18) (  -0.69, -71.96)  366.44                80
 03/15/2020   18:37:17   (  -0.03, -75.19) (  -0.47, -77.19)  228.12                80
 03/16/2020   18:21:02   (  -0.03, -75.20) (   0.57, -72.62)  294.14                80
 03/18/2020   06:42:32   (   0.03, -75.19) (   0.62, -77.81)  298.41                80
 03/19/2020   06:20:56   (   0.03, -75.20) (  -0.43, -73.24)  224.11                80
 03/20/2020   18:42:35   (  -0.03, -75.23) (  -0.78, -78.46)  369.43                80
 03/21/2020   18:26:19   (  -0.03, -75.24) (   0.26, -73.89)  153.76                80
 03/23/2020   06:47:51   (   0.03, -75.25) (   0.88, -79.09)  437.09                80
 03/24/2020   06:26:15   (   0.03, -75.27) (  -0.17, -74.52)   86.39                80
 03/26/2020   18:31:38   (  -0.03, -75.32) (   0.01, -75.17)   17.92                80