Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 5 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/11/2022   10:39:14   (  -0.01,-137.20) (  -0.88,-133.25)  450.00                80
 05/12/2022   23:04:22   (   0.01,-137.19) (  -0.31,-138.67)  168.04                80
 05/13/2022   22:43:17   (   0.01,-137.19) (   0.66,-134.21)  339.42                80
 05/15/2022   11:08:17   (  -0.01,-137.19) (   0.54,-139.59)  273.80                80
 05/16/2022   10:47:13   (  -0.01,-137.18) (  -0.50,-135.14)  232.98                80
 05/17/2022   23:12:21   (   0.01,-137.16) (  -0.73,-140.55)  386.93                80
 05/18/2022   22:51:16   (   0.01,-137.14) (   0.25,-136.09)  119.32                80
 05/20/2022   11:16:15   (  -0.01,-137.12) (   0.96,-141.48)  495.69                80
 05/21/2022   10:55:11   (  -0.01,-137.11) (  -0.02,-137.02)   10.35                80
 05/23/2022   22:59:14   (   0.00,-137.06) (  -0.21,-137.97)  104.38                80
 05/24/2022   22:43:29   (   0.00,-137.04) (   0.78,-133.51)  401.61                80