Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 2 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/06/2022   11:10:46   (  -0.04,-137.19) (   0.83,-140.99)  432.73                80
 02/07/2022   10:49:44   (  -0.04,-137.19) (  -0.19,-136.54)   74.13                80
 02/09/2022   22:53:50   (   0.03,-137.18) (  -0.04,-137.51)   38.11                80
 02/10/2022   22:38:07   (   0.03,-137.17) (   0.98,-133.07)  468.20                80
 02/12/2022   11:00:28   (  -0.01,-137.15) (   0.31,-138.44)  147.80                80
 02/13/2022   10:39:25   (   0.01,-137.14) (  -0.71,-134.00)  358.43                80
 02/14/2022   23:01:53   (  -0.01,-137.12) (  -0.54,-139.42)  261.97                80
 02/15/2022   22:46:11   (  -0.01,-137.10) (   0.49,-134.97)  243.47                80
 02/17/2022   11:08:32   (   0.01,-137.08) (   0.74,-140.36)  373.93                80
 02/18/2022   10:47:30   (   0.00,-137.06) (  -0.28,-135.92)  131.27                80