Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 6 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/13/2022   23:15:18   (  -0.02,-137.19) (  -0.88,-141.02)  436.54                80
 06/14/2022   22:54:13   (  -0.02,-137.18) (   0.13,-136.56)   70.68                80
 06/17/2022   11:00:48   (   0.01,-137.17) (   0.07,-137.49)   36.12                80
 06/18/2022   10:39:44   (   0.01,-137.16) (  -0.93,-133.03)  470.83                80
 06/19/2022   23:04:50   (  -0.02,-137.14) (  -0.29,-138.44)  147.72                80
 06/20/2022   22:43:45   (  -0.01,-137.13) (   0.71,-133.98)  359.30                80
 06/22/2022   11:08:44   (   0.02,-137.12) (   0.54,-139.35)  254.70                80
 06/23/2022   10:47:39   (   0.01,-137.11) (  -0.46,-134.90)  251.98                80
 06/24/2022   23:12:45   (  -0.01,-137.08) (  -0.75,-140.30)  367.55                80
 06/25/2022   22:51:41   (  -0.01,-137.07) (   0.26,-135.85)  138.71                80