Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 10 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/25/2022   11:03:14   (   0.03,-137.33) (   0.05,-137.47)   16.22                80
 10/26/2022   10:47:27   (   0.04,-137.32) (  -0.93,-133.00)  492.29                80
 10/27/2022   23:07:11   (  -0.03,-137.31) (  -0.27,-138.40)  124.62                80
 10/28/2022   22:51:25   (  -0.03,-137.30) (   0.71,-133.94)  383.14                80
 10/30/2022   11:11:02   (   0.02,-137.28) (   0.45,-139.31)  230.92                80
 10/31/2022   10:55:16   (   0.02,-137.26) (  -0.53,-134.84)  276.31                80
 11/01/2022   23:15:00   (  -0.02,-137.24) (  -0.67,-140.24)  342.17                80
 11/02/2022   22:59:14   (  -0.02,-137.22) (   0.32,-135.78)  164.98                80
 11/04/2022   11:18:50   (   0.01,-137.20) (   0.89,-141.14)  449.36                80
 11/05/2022   11:03:03   (   0.01,-137.18) (  -0.10,-136.67)   57.73                80
 11/07/2022   23:04:21   (  -0.01,-137.13) (  -0.11,-137.61)   54.21                80