Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 9 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/07/2022   10:50:31   (   0.07,-137.30) (  -0.63,-134.23)  350.57                80
 09/08/2022   23:10:17   (  -0.06,-137.29) (  -0.57,-139.64)  267.98                80
 09/09/2022   22:54:32   (  -0.06,-137.28) (   0.42,-135.18)  239.91                80
 09/11/2022   11:14:09   (   0.06,-137.28) (   0.78,-140.55)  372.18                80
 09/12/2022   10:58:24   (   0.06,-137.28) (  -0.21,-136.09)  135.61                80
 09/13/2022   23:18:09   (  -0.05,-137.26) (  -1.03,-141.49)  483.18                80
 09/14/2022   23:02:23   (  -0.06,-137.25) (  -0.04,-137.03)   24.51                80
 09/17/2022   11:03:35   (   0.05,-137.22) (   0.24,-137.94)   82.02                80
 09/18/2022   10:47:51   (   0.05,-137.21) (  -0.82,-133.49)  424.77                80
 09/19/2022   23:07:36   (  -0.04,-137.17) (  -0.41,-138.89)  195.62                80
 09/20/2022   22:51:51   (  -0.04,-137.15) (   0.60,-134.43)  310.83                80