Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 5 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/10/2022   11:00:18   (  -0.01,-137.20) (   0.09,-137.71)   57.87                80
 05/11/2022   10:39:14   (  -0.01,-137.20) (  -0.88,-133.25)  449.93                80
 05/12/2022   23:04:22   (   0.01,-137.19) (  -0.30,-138.67)  168.47                80
 05/13/2022   22:43:17   (   0.01,-137.18) (   0.67,-134.21)  338.94                80
 05/15/2022   11:08:17   (  -0.01,-137.19) (   0.53,-139.59)  274.19                80
 05/16/2022   10:47:12   (  -0.01,-137.18) (  -0.45,-135.13)  232.56                80
 05/17/2022   23:12:20   (   0.01,-137.15) (  -0.77,-140.54)  387.61                80
 05/18/2022   22:51:16   (   0.01,-137.13) (   0.27,-136.10)  118.61                80
 05/20/2022   11:13:34   (  -0.01,-137.12) (   0.99,-141.47)  496.39                80
 05/21/2022   10:55:11   (  -0.01,-137.10) (  -0.05,-137.02)    9.89                80