Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 5 26.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/26/2022   11:05:49   (   0.01,-137.20) (   0.36,-138.90)  193.73                80
 05/27/2022   10:44:45   (  -0.00,-137.19) (  -0.63,-134.44)  313.73                80
 05/28/2022   23:09:51   (  -0.00,-137.18) (  -0.62,-139.85)  304.32                80
 05/29/2022   22:48:46   (   0.00,-137.17) (   0.38,-135.39)  202.77                80
 05/31/2022   11:13:46   (  -0.00,-137.16) (   0.82,-140.77)  411.48                80
 06/01/2022   10:52:41   (  -0.01,-137.15) (  -0.17,-136.31)   95.15                80
 06/03/2022   22:59:23   (   0.01,-137.11) (  -0.05,-137.26)   18.05                80
 06/04/2022   22:38:19   (   0.01,-137.10) (   0.95,-132.81)  488.42                80
 06/06/2022   11:03:18   (  -0.00,-137.08) (   0.25,-138.19)  127.00                80
 06/07/2022   10:42:13   (  -0.01,-137.06) (  -0.76,-133.73)  379.04                80
 06/08/2022   23:04:40   (   0.00,-137.02) (  -0.45,-139.14)  241.23                80