Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 8 2.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/02/2022   22:51:53   (  -0.06,-137.31) (   0.36,-135.55)  201.14                80
 08/04/2022   11:16:50   (   0.06,-137.31) (   0.90,-140.91)  410.56                80
 08/05/2022   10:55:45   (   0.06,-137.31) (  -0.13,-136.46)   97.41                80
 08/07/2022   23:02:27   (  -0.05,-137.29) (  -0.10,-137.41)   13.71                80
 08/08/2022   22:44:02   (  -0.05,-137.28) (   0.93,-132.95)  493.43                80
 08/10/2022   11:03:40   (   0.04,-137.27) (   0.26,-138.33)  120.48                80
 08/11/2022   10:47:54   (   0.04,-137.25) (  -0.71,-133.86)  386.31                80
 08/12/2022   23:07:42   (  -0.03,-137.23) (  -0.48,-139.28)  233.37                80
 08/13/2022   22:51:56   (  -0.03,-137.22) (   0.49,-134.81)  273.45                80
 08/15/2022   11:11:33   (   0.03,-137.20) (   0.70,-140.19)  340.64                80