Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 5 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/31/2020   06:40:51   (   0.00, -75.19) (   0.46, -77.23)  232.51                80
 06/01/2020   06:19:14   (   0.00, -75.20) (  -0.54, -72.65)  289.50                80
 06/02/2020   18:40:54   (  -0.00, -75.20) (  -0.62, -77.88)  305.96                80
 06/03/2020   18:24:38   (   0.00, -75.21) (   0.44, -73.31)  216.42                80
 06/05/2020   06:46:08   (  -0.00, -75.21) (   0.74, -78.50)  374.45                80
 06/06/2020   06:24:32   (  -0.00, -75.22) (  -0.32, -73.93)  148.08                80
 06/07/2020   18:46:10   (   0.00, -75.23) (  -0.90, -79.14)  446.80                80
 06/08/2020   18:29:55   (   0.00, -75.24) (   0.16, -74.57)   76.32                80
 06/11/2020   06:29:49   (   0.00, -75.28) (  -0.04, -75.19)   10.67                80