Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 10 24.  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   11:03:13   (   0.03,-137.33) (   0.07,-137.47)   16.47                80
 10/26/2022   10:47:28   (   0.04,-137.32) (  -0.97,-133.01)  491.97                80
 10/27/2022   23:07:11   (  -0.03,-137.31) (  -0.29,-138.40)  124.90                80
 10/28/2022   22:51:26   (  -0.03,-137.30) (   0.75,-133.94)  382.81                80
 10/30/2022   11:11:02   (   0.02,-137.28) (   0.47,-139.31)  231.45                80
 10/31/2022   10:55:15   (   0.02,-137.26) (  -0.52,-134.84)  275.71                80
 11/01/2022   23:15:00   (  -0.02,-137.23) (  -0.67,-140.24)  342.71                80
 11/02/2022   22:59:13   (  -0.02,-137.21) (   0.31,-135.77)  164.38                80
 11/04/2022   11:18:50   (   0.01,-137.19) (   0.89,-141.14)  450.15                80
 11/05/2022   11:03:03   (   0.01,-137.17) (  -0.10,-136.67)   56.89                80