Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 11 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)
 11/10/2022   11:09:47   (   0.01,-137.34) (   0.33,-138.89)  176.51                80
 11/11/2022   10:54:09   (   0.01,-137.34) (  -0.67,-134.46)  328.99                80
 11/12/2022   23:14:04   (  -0.00,-137.33) (  -0.58,-139.90)  292.70                80
 11/13/2022   22:58:26   (  -0.01,-137.33) (   0.42,-135.47)  212.43                80
 11/15/2022   11:20:53   (   0.00,-137.33) (   0.82,-140.87)  404.59                80
 11/16/2022   10:59:54   (   0.00,-137.32) (  -0.18,-136.44)  100.23                80
 11/18/2022   23:04:12   (  -0.00,-137.30) (  -0.02,-137.46)   17.93                80
 11/19/2022   22:48:34   (  -0.00,-137.29) (   0.98,-133.02)  486.61                80
 11/21/2022   11:11:01   (   0.00,-137.28) (   0.26,-138.43)  131.35                80
 11/22/2022   10:50:03   (   0.00,-137.26) (  -0.75,-134.00)  372.52                80