Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 5 2.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/02/2022   22:45:44   (   0.02,-137.19) (   0.54,-134.90)  261.35                80
 05/04/2022   11:10:42   (  -0.02,-137.19) (   0.70,-140.27)  352.16                80
 05/05/2022   10:49:39   (  -0.02,-137.18) (  -0.32,-135.82)  154.71                80
 05/06/2022   23:14:47   (   0.01,-137.16) (  -0.89,-141.24)  464.68                80
 05/07/2022   22:53:43   (   0.01,-137.15) (   0.09,-136.78)   41.92                80
 05/10/2022   11:00:17   (  -0.01,-137.12) (   0.13,-137.70)   66.39                80
 05/11/2022   10:39:14   (  -0.01,-137.11) (  -0.90,-133.26)  439.83                80
 05/12/2022   23:04:21   (   0.00,-137.08) (  -0.34,-138.67)  180.54                80
 05/13/2022   22:43:17   (   0.01,-137.06) (   0.64,-134.21)  325.31                80
 05/15/2022   11:08:16   (  -0.01,-137.04) (   0.57,-139.59)  290.90                80