Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 4 26.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/26/2022   22:58:48   (   0.02,-137.19) (  -0.05,-137.46)   31.37                80
 04/27/2022   22:37:44   (   0.02,-137.19) (   0.97,-133.01)  476.41                80
 04/29/2022   11:02:43   (  -0.02,-137.19) (   0.27,-138.38)  136.24                80
 04/30/2022   10:41:39   (  -0.02,-137.19) (  -0.75,-133.93)  371.19                80
 05/01/2022   23:06:48   (   0.02,-137.18) (  -0.48,-139.35)  247.42                80
 05/02/2022   22:45:44   (   0.02,-137.18) (   0.55,-134.90)  259.64                80
 05/04/2022   11:10:42   (  -0.01,-137.17) (   0.70,-140.27)  354.32                80
 05/05/2022   10:49:39   (  -0.01,-137.16) (  -0.32,-135.82)  152.27                80
 05/06/2022   23:14:46   (   0.01,-137.13) (  -0.94,-141.23)  467.59                80
 05/07/2022   22:56:23   (   0.01,-137.12) (   0.09,-136.78)   38.77                80