Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 6 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/05/2020   06:46:07   (  -0.00, -75.16) (   0.76, -78.49)  380.20                80
 06/06/2020   06:24:32   (  -0.01, -75.15) (  -0.30, -73.92)  140.94                80
 06/07/2020   18:46:10   (   0.01, -75.15) (  -0.92, -79.14)  455.91                80
 06/08/2020   18:29:54   (   0.01, -75.14) (   0.15, -74.57)   65.88                80
 06/11/2020   06:32:27   (  -0.00, -75.15) (   0.02, -75.17)    4.12                80
 06/13/2020   18:32:30   (   0.00, -75.16) (  -0.18, -75.82)   76.20                80
 06/14/2020   18:16:15   (   0.00, -75.17) (   0.89, -71.25)  446.84                80
 06/16/2020   06:37:44   (   0.00, -75.19) (   0.29, -76.44)  142.83                80
 06/17/2020   06:16:07   (   0.00, -75.20) (  -0.72, -71.85)  380.28                80