Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2022 5 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/04/2022   18:45:12   (   0.03, -75.19) (   0.15, -74.69)   57.13                80
 05/07/2022   06:51:47   (  -0.02, -75.20) (   0.08, -75.61)   47.63                80
 05/08/2022   06:30:44   (  -0.02, -75.20) (  -0.95, -71.17)  460.55                80
 05/09/2022   18:55:51   (   0.01, -75.21) (  -0.30, -76.57)  155.43                80
 05/10/2022   18:34:48   (   0.01, -75.22) (   0.74, -72.13)  353.33                80
 05/12/2022   06:59:46   (  -0.01, -75.24) (   0.52, -77.50)  258.14                80
 05/13/2022   06:38:42   (  -0.01, -75.25) (  -0.51, -73.05)  250.79                80
 05/14/2022   19:03:50   (   0.01, -75.26) (  -0.72, -78.46)  364.40                80
 05/15/2022   18:42:46   (   0.01, -75.28) (   0.32, -74.01)  144.76                80
 05/17/2022   07:07:45   (  -0.01, -75.30) (   0.94, -79.38)  466.35                80