Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2022 6 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/03/2022   06:54:49   (   0.00, -75.20) (   0.22, -76.10)  103.54                80
 06/04/2022   06:33:45   (  -0.00, -75.20) (  -0.78, -71.65)  404.78                80
 06/05/2022   18:58:52   (  -0.00, -75.21) (  -0.39, -77.06)  210.53                80
 06/06/2022   18:37:48   (  -0.00, -75.22) (   0.61, -72.61)  298.38                80
 06/08/2022   07:02:47   (   0.01, -75.24) (   0.60, -77.99)  313.18                80
 06/09/2022   06:41:43   (   0.00, -75.25) (  -0.40, -73.53)  195.95                80
 06/10/2022   19:06:49   (  -0.01, -75.27) (  -0.82, -78.94)  418.51                80
 06/11/2022   18:45:44   (  -0.00, -75.28) (   0.19, -74.49)   90.81                80
 06/14/2022   06:52:19   (  -0.01, -75.31) (   0.01, -75.41)   11.17                80