Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 3 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/15/2020   18:37:17   (  -0.03, -75.19) (  -0.47, -77.19)  228.08                80
 03/16/2020   18:21:02   (  -0.03, -75.19) (   0.58, -72.62)  294.11                80
 03/18/2020   06:42:32   (   0.03, -75.19) (   0.61, -77.81)  298.77                80
 03/19/2020   06:20:56   (   0.03, -75.20) (  -0.43, -73.24)  223.68                80
 03/20/2020   18:42:35   (  -0.03, -75.22) (  -0.78, -78.46)  369.75                80
 03/21/2020   18:26:19   (  -0.03, -75.23) (   0.27, -73.89)  153.36                80
 03/23/2020   06:47:51   (   0.03, -75.25) (   0.87, -79.09)  437.85                80
 03/24/2020   06:26:14   (   0.03, -75.26) (  -0.12, -74.51)   85.54                80
 03/26/2020   18:31:38   (  -0.03, -75.32) (   0.03, -75.17)   17.33                80