Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 6 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/17/2022   11:00:48   (   0.02,-137.19) (   0.07,-137.49)   33.33                80
 06/18/2022   10:39:43   (   0.01,-137.19) (  -0.93,-133.03)  474.14                80
 06/19/2022   23:04:50   (  -0.02,-137.17) (  -0.29,-138.44)  143.65                80
 06/20/2022   22:43:45   (  -0.02,-137.17) (   0.72,-133.98)  363.91                80
 06/22/2022   11:08:44   (   0.02,-137.17) (   0.54,-139.35)  249.18                80
 06/23/2022   10:47:39   (   0.02,-137.16) (  -0.47,-134.90)  258.05                80
 06/24/2022   23:12:45   (  -0.02,-137.14) (  -0.74,-140.30)  360.75                80
 06/25/2022   22:51:41   (  -0.01,-137.13) (   0.26,-135.85)  146.06                80
 06/27/2022   11:16:40   (   0.01,-137.12) (   0.92,-141.23)  468.31                80
 06/28/2022   10:55:36   (  -0.00,-137.11) (  -0.09,-136.78)   37.98                80