Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 8 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)
 08/31/2022   11:16:48   (   0.08,-137.31) (   0.97,-141.29)  453.55                80
 09/01/2022   11:01:03   (   0.08,-137.31) (  -0.01,-136.83)   54.27                80
 09/03/2022   23:02:24   (  -0.07,-137.28) (  -0.17,-137.79)   57.23                80
 09/04/2022   22:46:39   (  -0.07,-137.27) (   0.82,-133.32)  449.61                80
 09/06/2022   11:06:16   (   0.06,-137.25) (   0.38,-138.70)  165.00                80
 09/07/2022   10:50:31   (   0.06,-137.23) (  -0.61,-134.23)  341.42                80
 09/08/2022   23:10:17   (  -0.05,-137.20) (  -0.60,-139.64)  278.66                80
 09/09/2022   22:54:32   (  -0.05,-137.18) (   0.39,-135.18)  227.83                80
 09/11/2022   11:14:09   (   0.04,-137.16) (   0.82,-140.55)  387.05                80
 09/12/2022   10:58:23   (   0.04,-137.14) (  -0.17,-136.09)  119.37                80