Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 5 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/31/2022   11:13:45   (   0.00,-137.18) (   0.84,-140.77)  409.77                80
 06/01/2022   10:52:42   (  -0.00,-137.17) (  -0.21,-136.32)   97.12                80
 06/03/2022   22:59:24   (   0.00,-137.14) (  -0.02,-137.27)   15.21                80
 06/04/2022   22:38:19   (   0.00,-137.12) (   0.98,-132.82)  491.33                80
 06/06/2022   11:03:19   (   0.00,-137.11) (   0.22,-138.20)  123.64                80
 06/07/2022   10:42:14   (  -0.00,-137.09) (  -0.78,-133.74)  382.71                80
 06/08/2022   23:07:20   (  -0.00,-137.06) (  -0.49,-139.14)  237.10                80
 06/09/2022   22:46:15   (   0.00,-137.04) (   0.52,-134.68)  268.86                80
 06/11/2022   11:11:14   (   0.00,-137.01) (   0.68,-140.06)  347.38                80
 06/12/2022   10:50:10   (  -0.00,-136.99) (  -0.33,-135.61)  157.94                80