Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2022 5 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/09/2022   18:55:51   (   0.02, -75.21) (  -0.29, -76.57)  155.42                80
 05/10/2022   18:34:47   (   0.02, -75.22) (   0.69, -72.11)  353.31                80
 05/12/2022   06:59:46   (  -0.01, -75.23) (   0.51, -77.50)  258.16                80
 05/13/2022   06:38:43   (  -0.02, -75.24) (  -0.53, -73.05)  250.71                80
 05/14/2022   19:03:50   (   0.01, -75.26) (  -0.71, -78.46)  364.42                80
 05/15/2022   18:42:47   (   0.02, -75.28) (   0.33, -74.01)  144.71                80
 05/17/2022   07:07:45   (  -0.01, -75.30) (   0.93, -79.38)  466.39                80
 05/18/2022   06:46:41   (  -0.02, -75.31) (  -0.11, -74.93)   42.58                80
 05/20/2022   18:53:24   (   0.01, -75.34) (  -0.13, -75.89)   63.00                80
 05/21/2022   18:32:21   (   0.01, -75.36) (   0.92, -71.44)  446.75                80