Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 5 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)
 05/26/2022   11:05:49   (   0.00,-137.20) (   0.37,-138.90)  193.78                80
 05/27/2022   10:44:44   (  -0.00,-137.19) (  -0.62,-134.44)  313.70                80
 05/28/2022   23:09:51   (  -0.00,-137.18) (  -0.63,-139.84)  304.49                80
 05/29/2022   22:48:47   (   0.00,-137.17) (   0.43,-135.40)  202.64                80
 05/31/2022   11:13:46   (  -0.00,-137.16) (   0.83,-140.77)  411.49                80
 06/01/2022   10:52:41   (  -0.01,-137.15) (  -0.17,-136.31)   95.21                80
 06/03/2022   22:59:23   (   0.01,-137.11) (  -0.06,-137.26)   18.20                80
 06/04/2022   22:40:58   (   0.01,-137.10) (   0.95,-132.81)  488.43                80
 06/06/2022   11:03:18   (  -0.00,-137.08) (   0.25,-138.19)  126.86                80
 06/07/2022   10:42:13   (  -0.00,-137.06) (  -0.75,-133.73)  379.23                80