Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 5 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/06/2022   23:14:46   (   0.01,-137.18) (  -0.92,-141.23)  462.19                80
 05/07/2022   22:53:43   (   0.01,-137.18) (   0.11,-136.78)   45.56                80
 05/10/2022   11:00:18   (  -0.01,-137.19) (   0.11,-137.71)   59.18                80
 05/11/2022   10:39:14   (  -0.01,-137.19) (  -0.92,-133.26)  448.21                80
 05/12/2022   23:04:22   (   0.01,-137.17) (  -0.33,-138.67)  170.80                80
 05/13/2022   22:43:17   (   0.01,-137.16) (   0.65,-134.21)  336.19                80
 05/15/2022   11:08:16   (  -0.01,-137.16) (   0.55,-139.59)  277.71                80
 05/16/2022   10:47:13   (  -0.01,-137.14) (  -0.48,-135.14)  228.66                80
 05/17/2022   23:12:20   (   0.01,-137.11) (  -0.74,-140.55)  392.10                80
 05/18/2022   22:51:16   (   0.01,-137.09) (   0.24,-136.09)  113.70                80