Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 5 31.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/31/2022   11:13:46   (   0.01,-137.20) (   0.80,-140.78)  407.72                80
 06/01/2022   10:52:42   (  -0.00,-137.20) (  -0.19,-136.32)  100.04                80
 06/03/2022   22:59:24   (   0.00,-137.19) (  -0.04,-137.27)   10.13                80
 06/04/2022   22:38:20   (   0.00,-137.18) (   1.01,-132.82)  497.71                80
 06/06/2022   11:03:18   (   0.00,-137.18) (   0.25,-138.19)  116.10                80
 06/07/2022   10:42:14   (  -0.00,-137.17) (  -0.76,-133.74)  391.11                80
 06/08/2022   23:07:20   (  -0.00,-137.15) (  -0.46,-139.14)  227.06                80
 06/09/2022   22:46:16   (  -0.00,-137.14) (   0.54,-134.69)  279.78                80
 06/11/2022   11:11:15   (   0.00,-137.13) (   0.66,-140.07)  335.32                80
 06/12/2022   10:50:11   (  -0.00,-137.11) (  -0.35,-135.61)  170.87                80
 06/13/2022   23:15:17   (   0.00,-137.08) (  -0.85,-141.02)  449.16                80