Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 6 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/04/2022   22:38:20   (  -0.00,-137.19) (   0.98,-132.81)  499.19                80
 06/06/2022   11:03:19   (   0.01,-137.20) (   0.22,-138.20)  113.51                80
 06/07/2022   10:42:15   (   0.01,-137.20) (  -0.77,-133.74)  394.23                80
 06/08/2022   23:07:21   (  -0.01,-137.19) (  -0.45,-139.15)  223.20                80
 06/09/2022   22:46:16   (  -0.01,-137.18) (   0.55,-134.69)  284.16                80
 06/11/2022   11:11:16   (   0.01,-137.18) (   0.66,-140.07)  329.89                80
 06/12/2022   10:50:11   (   0.00,-137.16) (  -0.34,-135.61)  176.80                80
 06/13/2022   23:15:18   (  -0.00,-137.14) (  -0.87,-141.02)  442.55                80
 06/14/2022   22:54:13   (   0.00,-137.12) (   0.13,-136.57)   63.51                80
 06/17/2022   10:58:08   (  -0.01,-137.08) (   0.07,-137.49)   46.69                80