Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 7 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/28/2022   22:43:59   (  -0.05,-137.29) (   0.77,-133.68)  411.59                80
 07/30/2022   11:08:56   (   0.06,-137.28) (   0.44,-139.05)  201.63                80
 07/31/2022   10:47:50   (   0.05,-137.28) (  -0.53,-134.59)  306.04                80
 08/01/2022   23:10:18   (  -0.06,-137.27) (  -0.66,-140.01)  311.57                80
 08/02/2022   22:54:32   (  -0.05,-137.26) (   0.31,-135.54)  195.83                80
 08/04/2022   11:14:10   (   0.05,-137.24) (   0.88,-140.91)  418.40                80
 08/05/2022   10:55:45   (   0.05,-137.23) (  -0.15,-136.46)   88.43                80
 08/07/2022   22:59:47   (  -0.04,-137.19) (  -0.07,-137.41)   25.13                80
 08/08/2022   22:44:02   (  -0.04,-137.17) (   0.91,-132.95)  480.87                80
 08/10/2022   11:03:39   (   0.03,-137.13) (   0.28,-138.32)  135.58                80