Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 4 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/30/2022   10:41:39   (  -0.02,-137.20) (  -0.74,-133.93)  372.17                80
 05/01/2022   23:06:47   (   0.02,-137.20) (  -0.49,-139.35)  245.53                80
 05/02/2022   22:45:44   (   0.02,-137.20) (   0.54,-134.90)  262.00                80
 05/04/2022   11:10:43   (  -0.02,-137.20) (   0.65,-140.28)  351.37                80
 05/05/2022   10:49:39   (  -0.02,-137.19) (  -0.31,-135.82)  155.70                80
 05/06/2022   23:14:47   (   0.01,-137.17) (  -0.89,-141.24)  463.21                80
 05/07/2022   22:53:43   (   0.01,-137.17) (   0.08,-136.78)   43.64                80
 05/10/2022   11:00:17   (  -0.01,-137.14) (   0.15,-137.70)   64.41                80
 05/11/2022   10:39:14   (  -0.01,-137.13) (  -0.89,-133.25)  442.05                80
 05/12/2022   23:04:21   (   0.00,-137.11) (  -0.35,-138.66)  177.83                80
 05/13/2022   22:45:57   (   0.01,-137.09) (   0.63,-134.21)  328.23                80