Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 4 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/27/2023   19:07:29   (   0.02, -75.18) (  -0.10, -75.60)   48.47                80
 04/28/2023   18:46:26   (   0.02, -75.18) (   0.96, -71.15)  459.60                80
 04/30/2023   07:11:26   (  -0.01, -75.19) (   0.26, -76.52)  151.58                80
 05/01/2023   06:50:22   (  -0.02, -75.19) (  -0.74, -72.07)  356.90                80
 05/02/2023   19:15:31   (   0.01, -75.20) (  -0.52, -77.47)  259.57                80
 05/03/2023   18:54:27   (   0.01, -75.20) (   0.49, -73.01)  249.26                80
 05/05/2023   07:19:26   (  -0.01, -75.22) (   0.71, -78.39)  360.94                80
 05/06/2023   06:58:23   (  -0.01, -75.23) (  -0.30, -73.93)  147.94                80
 05/07/2023   19:23:31   (   0.01, -75.24) (  -0.94, -79.34)  468.16                80
 05/08/2023   19:02:28   (   0.01, -75.24) (   0.09, -74.89)   40.81                80