Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 5 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/04/2022   11:10:43   (  -0.02,-137.19) (   0.65,-140.28)  352.23                80
 05/05/2022   10:49:39   (  -0.02,-137.18) (  -0.32,-135.82)  154.62                80
 05/06/2022   23:14:47   (   0.01,-137.16) (  -0.89,-141.24)  464.79                80
 05/07/2022   22:53:42   (   0.01,-137.15) (   0.09,-136.78)   41.79                80
 05/10/2022   11:00:17   (  -0.01,-137.12) (   0.13,-137.70)   66.61                80
 05/11/2022   10:39:14   (  -0.01,-137.11) (  -0.90,-133.26)  439.58                80
 05/12/2022   23:04:21   (   0.01,-137.08) (  -0.34,-138.66)  180.80                80
 05/13/2022   22:43:17   (   0.01,-137.06) (   0.64,-134.21)  325.02                80
 05/15/2022   11:08:16   (  -0.01,-137.03) (   0.56,-139.59)  291.25                80
 05/16/2022   10:49:51   (  -0.01,-137.01) (  -0.42,-135.13)  213.92                80