Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 3 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/06/2022   10:53:19   (  -0.05,-137.23) (  -0.07,-137.21)    3.29                80
 03/08/2022   22:57:25   (   0.05,-137.22) (  -0.16,-138.18)  109.25                80
 03/09/2022   22:41:42   (   0.04,-137.21) (   0.82,-133.73)  397.41                80
 03/11/2022   11:04:02   (  -0.04,-137.20) (   0.41,-139.11)  217.80                80
 03/12/2022   10:43:00   (  -0.03,-137.19) (  -0.63,-134.67)  288.44                80
 03/13/2022   23:05:28   (   0.02,-137.17) (  -0.64,-140.08)  331.62                80
 03/14/2022   22:49:44   (   0.02,-137.16) (   0.34,-135.62)  174.38                80
 03/16/2022   11:12:05   (  -0.01,-137.14) (   0.88,-141.01)  441.64                80
 03/17/2022   10:51:02   (  -0.01,-137.12) (  -0.16,-136.57)   63.97                80