Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 6 24.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/24/2020   18:26:47   (  -0.00, -75.20) (   0.32, -73.77)  162.97                80
 06/26/2020   06:48:17   (   0.02, -75.20) (   0.85, -78.95)  428.31                80
 06/27/2020   06:26:40   (   0.02, -75.20) (  -0.15, -74.37)   94.03                80
 06/29/2020   18:32:03   (  -0.02, -75.21) (   0.01, -75.02)   21.74                80
 07/02/2020   06:34:37   (  -0.00, -75.23) (   0.11, -75.64)   46.52                80
 07/03/2020   06:13:01   (  -0.01, -75.24) (  -0.96, -71.07)  476.25                80
 07/04/2020   18:34:40   (   0.01, -75.26) (  -0.24, -76.29)  117.86                80
 07/05/2020   18:18:24   (   0.01, -75.27) (   0.83, -71.72)  405.55                80
 07/07/2020   06:39:53   (  -0.01, -75.29) (   0.36, -76.90)  183.75                80