Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2022 5 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/15/2022   18:42:46   (   0.02, -75.22) (   0.27, -74.00)  138.24                80
 05/17/2022   07:07:45   (  -0.01, -75.22) (   0.93, -79.38)  474.54                80
 05/18/2022   06:46:42   (  -0.01, -75.22) (  -0.10, -74.93)   33.49                80
 05/20/2022   18:53:24   (   0.01, -75.23) (  -0.14, -75.89)   74.31                80
 05/21/2022   18:35:00   (   0.01, -75.24) (   0.84, -71.43)  434.46                80
 05/23/2022   06:57:19   (  -0.01, -75.26) (   0.37, -76.81)  176.96                80
 05/24/2022   06:36:16   (  -0.01, -75.27) (  -0.68, -72.36)  332.27                80
 05/25/2022   18:58:43   (   0.00, -75.30) (  -0.53, -77.78)  281.95                80
 05/26/2022   18:42:59   (   0.01, -75.32) (   0.46, -73.32)  227.94                80
 05/28/2022   07:05:18   (  -0.00, -75.35) (   0.75, -78.70)  381.89                80