Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 5 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/13/2020   18:22:27   (   0.01, -75.19) (   0.54, -72.84)  268.54                80
 05/15/2020   06:43:57   (  -0.01, -75.19) (   0.61, -78.03)  323.89                80
 05/16/2020   06:22:21   (  -0.01, -75.19) (  -0.39, -73.45)  198.53                80
 05/17/2020   18:44:00   (   0.01, -75.21) (  -0.76, -78.68)  394.99                80
 05/18/2020   18:27:44   (   0.01, -75.23) (   0.24, -74.10)  128.06                80
 05/20/2020   06:49:14   (  -0.01, -75.23) (   0.91, -79.29)  462.79                80
 05/21/2020   06:27:39   (  -0.01, -75.25) (  -0.15, -74.72)   60.31                80
 05/23/2020   18:30:21   (   0.01, -75.29) (   0.00, -75.37)    9.65                80
 05/26/2020   06:35:35   (  -0.00, -75.31) (   0.14, -75.98)   76.17                80