Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 5 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/11/2020   06:17:04   (  -0.01, -75.18) (  -0.68, -72.19)  341.06                80
 05/12/2020   18:38:43   (   0.01, -75.19) (  -0.46, -77.42)  253.70                80
 05/13/2020   18:22:27   (   0.01, -75.19) (   0.53, -72.84)  268.54                80
 05/15/2020   06:43:57   (  -0.01, -75.19) (   0.62, -78.03)  323.50                80
 05/16/2020   06:22:21   (  -0.01, -75.20) (  -0.38, -73.45)  199.02                80
 05/17/2020   18:44:00   (   0.00, -75.22) (  -0.77, -78.68)  394.67                80
 05/18/2020   18:27:45   (   0.00, -75.23) (   0.29, -74.11)  128.49                80
 05/20/2020   06:49:14   (  -0.00, -75.24) (   0.92, -79.29)  461.99                80
 05/21/2020   06:27:38   (  -0.00, -75.26) (  -0.13, -74.72)   61.15                80
 05/23/2020   18:30:21   (   0.00, -75.30) (  -0.02, -75.37)    8.64                80