Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 5 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/23/2022   23:01:53   (  -0.00,-137.19) (  -0.20,-137.97)   89.31                80
 05/24/2022   22:40:50   (   0.00,-137.19) (   0.84,-133.52)  418.54                80
 05/26/2022   11:05:49   (   0.00,-137.19) (   0.36,-138.90)  194.26                80
 05/27/2022   10:44:45   (  -0.00,-137.19) (  -0.63,-134.44)  313.20                80
 05/28/2022   23:09:51   (  -0.00,-137.18) (  -0.62,-139.85)  305.09                80
 05/29/2022   22:48:48   (   0.00,-137.17) (   0.43,-135.40)  202.03                80
 05/31/2022   11:13:46   (  -0.00,-137.16) (   0.83,-140.77)  412.10                80
 06/01/2022   10:52:42   (  -0.01,-137.15) (  -0.22,-136.33)   94.54                80
 06/03/2022   22:56:44   (   0.01,-137.11) (  -0.01,-137.28)   18.85                80
 06/04/2022   22:41:00   (   0.01,-137.09) (   0.99,-132.82)  487.54                80