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

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/06/2022   11:03:18   (   0.01,-137.20) (   0.26,-138.19)  113.22                80
 06/07/2022   10:42:15   (   0.01,-137.20) (  -0.80,-133.74)  394.64                80
 06/08/2022   23:07:21   (  -0.02,-137.19) (  -0.43,-139.15)  222.54                80
 06/09/2022   22:46:17   (  -0.01,-137.19) (   0.57,-134.69)  284.93                80
 06/11/2022   11:11:16   (   0.01,-137.18) (   0.64,-140.07)  329.01                80
 06/12/2022   10:50:12   (   0.01,-137.17) (  -0.36,-135.62)  177.80                80
 06/13/2022   23:15:18   (  -0.01,-137.15) (  -0.85,-141.03)  441.32                80
 06/14/2022   22:54:13   (  -0.00,-137.13) (   0.15,-136.57)   64.87                80
 06/17/2022   11:00:47   (  -0.00,-137.09) (   0.11,-137.48)   45.20                80
 06/18/2022   10:39:43   (  -0.01,-137.07) (  -0.90,-133.03)  460.76                80