Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 5 24.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/24/2022   22:40:50   (   0.00,-137.19) (   0.86,-133.52)  418.86                80
 05/26/2022   11:05:48   (   0.00,-137.20) (   0.40,-138.89)  193.87                80
 05/27/2022   10:44:45   (  -0.00,-137.19) (  -0.65,-134.45)  313.64                80
 05/28/2022   23:09:51   (  -0.00,-137.18) (  -0.60,-139.85)  304.54                80
 05/29/2022   22:48:47   (   0.00,-137.17) (   0.39,-135.39)  202.60                80
 05/31/2022   11:13:46   (  -0.00,-137.17) (   0.81,-140.78)  411.46                80
 06/01/2022   10:52:42   (  -0.01,-137.15) (  -0.19,-136.32)   95.20                80
 06/03/2022   22:56:43   (   0.01,-137.11) (  -0.04,-137.27)   17.88                80
 06/04/2022   22:40:59   (   0.01,-137.10) (   0.97,-132.81)  488.50                80
 06/06/2022   11:03:18   (  -0.00,-137.08) (   0.23,-138.19)  126.74                80