Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 4 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/23/2022   11:13:07   (  -0.02,-137.17) (   0.81,-140.95)  431.36                80
 04/24/2022   10:52:04   (  -0.02,-137.16) (  -0.20,-136.50)   75.12                80
 04/26/2022   22:58:48   (   0.02,-137.13) (  -0.03,-137.47)   38.24                80
 04/27/2022   22:37:44   (   0.02,-137.12) (   0.93,-133.01)  468.22                80
 04/29/2022   11:02:43   (  -0.02,-137.10) (   0.26,-138.39)  146.97                80
 04/30/2022   10:41:40   (  -0.02,-137.08) (  -0.76,-133.94)  359.04                80
 05/01/2022   23:06:48   (   0.02,-137.06) (  -0.47,-139.36)  261.41                80
 05/02/2022   22:45:44   (   0.02,-137.04) (   0.49,-134.89)  244.21                80
 05/04/2022   11:10:43   (  -0.01,-137.01) (   0.71,-140.28)  372.39                80
 05/05/2022   10:49:38   (  -0.01,-136.98) (  -0.26,-135.81)  132.80                80