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

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/05/2020   06:33:23   (  -0.01, -75.21) (   0.08, -75.50)   33.96                80
 05/06/2020   06:11:47   (  -0.01, -75.20) (  -0.97, -70.92)  487.86                80
 05/07/2020   18:33:26   (   0.01, -75.21) (  -0.22, -76.15)  107.50                80
 05/08/2020   18:17:10   (   0.01, -75.21) (   0.84, -71.58)  414.60                80
 05/10/2020   06:38:40   (  -0.01, -75.21) (   0.33, -76.77)  177.16                80
 05/11/2020   06:17:04   (  -0.01, -75.22) (  -0.67, -72.19)  345.10                80
 05/12/2020   18:38:43   (   0.01, -75.23) (  -0.47, -77.42)  249.59                80
 05/13/2020   18:22:27   (   0.00, -75.24) (   0.53, -72.84)  273.33                80
 05/15/2020   06:43:57   (  -0.00, -75.25) (   0.63, -78.03)  316.79                80
 05/16/2020   06:22:22   (  -0.00, -75.27) (  -0.43, -73.46)  206.48                80
 05/17/2020   18:44:00   (   0.00, -75.29) (  -0.77, -78.68)  387.05                80
 05/18/2020   18:27:44   (   0.00, -75.31) (   0.29, -74.11)  136.81                80