Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 3 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/07/2023   08:42:57   (  -0.00,-104.71) (  -0.85,-100.97)  426.71                80
 03/08/2023   21:05:28   (   0.00,-104.72) (  -0.36,-106.39)  190.20                80
 03/09/2023   20:49:47   (   0.00,-104.72) (   0.64,-101.94)  317.40                80
 03/11/2023   09:12:10   (  -0.00,-104.73) (   0.57,-107.33)  296.68                80
 03/12/2023   08:51:09   (   0.00,-104.73) (  -0.44,-102.89)  210.54                80
 03/13/2023   21:13:39   (  -0.00,-104.73) (  -0.82,-108.30)  407.23                80
 03/14/2023   20:57:58   (  -0.01,-104.73) (   0.20,-103.86)   99.95                80
 03/17/2023   09:01:58   (   0.01,-104.73) (   0.04,-104.79)    7.58                80
 03/18/2023   08:40:57   (   0.01,-104.73) (  -0.98,-100.35)  499.41                80
 03/19/2023   21:03:27   (  -0.01,-104.72) (  -0.25,-105.76)  118.62                80
 03/20/2023   20:47:46   (  -0.01,-104.73) (   0.78,-101.32)  388.79                80