Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 5 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/29/2022   22:48:47   (   0.00,-137.18) (   0.39,-135.39)  203.71                80
 05/31/2022   11:13:46   (   0.00,-137.17) (   0.81,-140.77)  410.23                80
 06/01/2022   10:52:42   (  -0.00,-137.16) (  -0.19,-136.32)   96.50                80
 06/03/2022   22:59:23   (   0.00,-137.13) (  -0.04,-137.27)   16.21                80
 06/04/2022   22:38:19   (   0.01,-137.11) (   0.96,-132.81)  490.27                80
 06/06/2022   11:03:18   (   0.00,-137.10) (   0.24,-138.19)  124.86                80
 06/07/2022   10:42:14   (  -0.00,-137.08) (  -0.76,-133.74)  381.31                80
 06/08/2022   23:07:20   (  -0.00,-137.05) (  -0.45,-139.15)  238.68                80
 06/09/2022   22:46:16   (   0.00,-137.03) (   0.56,-134.69)  267.17                80
 06/11/2022   11:11:14   (   0.00,-137.00) (   0.70,-140.06)  349.28                80