Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 3 6.  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   10:55:59   (  -0.05,-137.23) (  -0.04,-137.20)    3.06                80
 03/08/2022   22:57:25   (   0.05,-137.22) (  -0.19,-138.17)  109.53                80
 03/09/2022   22:41:42   (   0.05,-137.21) (   0.84,-133.73)  397.09                80
 03/11/2022   11:04:03   (  -0.04,-137.20) (   0.39,-139.11)  218.09                80
 03/12/2022   10:42:59   (  -0.04,-137.19) (  -0.59,-134.66)  288.07                80
 03/13/2022   23:05:28   (   0.03,-137.17) (  -0.62,-140.08)  332.18                80
 03/14/2022   22:49:45   (   0.02,-137.15) (   0.35,-135.63)  173.73                80
 03/16/2022   11:12:05   (  -0.01,-137.14) (   0.87,-141.01)  442.24                80
 03/17/2022   10:51:02   (  -0.01,-137.12) (  -0.11,-136.56)   63.32                80
 03/19/2022   22:55:09   (   0.01,-137.07) (  -0.07,-137.54)   53.13                80