Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 8 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/04/2022   11:16:50   (   0.06,-137.32) (   0.85,-140.92)  410.23                80
 08/05/2022   10:55:45   (   0.06,-137.31) (  -0.12,-136.45)   97.85                80
 08/07/2022   23:02:27   (  -0.05,-137.30) (  -0.10,-137.40)   13.28                80
 08/08/2022   22:44:02   (  -0.05,-137.29) (   0.93,-132.95)  494.16                80
 08/10/2022   11:04:19   (   0.04,-137.27) (   0.27,-138.33)  119.53                41
 08/11/2022   10:47:54   (   0.04,-137.26) (  -0.71,-133.86)  387.35                80
 08/12/2022   23:07:41   (  -0.03,-137.24) (  -0.49,-139.28)  232.23                80
 08/13/2022   22:51:56   (  -0.03,-137.23) (   0.49,-134.81)  274.69                80
 08/15/2022   11:11:33   (   0.03,-137.21) (   0.70,-140.19)  339.18                80
 08/16/2022   10:55:49   (   0.03,-137.20) (  -0.33,-135.73)  167.65                80