Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 3 4.  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   10:53:20   (  -0.05,-137.23) (  -0.08,-137.21)    3.95                80
 03/08/2022   22:57:25   (   0.05,-137.22) (  -0.15,-138.18)  108.89                80
 03/09/2022   22:41:42   (   0.04,-137.22) (   0.83,-133.73)  397.83                80
 03/11/2022   11:04:02   (  -0.04,-137.21) (   0.40,-139.11)  217.41                80
 03/12/2022   10:42:59   (  -0.03,-137.20) (  -0.58,-134.66)  288.88                80
 03/13/2022   23:05:28   (   0.02,-137.18) (  -0.63,-140.08)  330.95                80
 03/14/2022   22:49:45   (   0.02,-137.17) (   0.35,-135.63)  175.09                80
 03/16/2022   11:12:05   (  -0.01,-137.15) (   0.87,-141.01)  440.95                80
 03/17/2022   10:51:01   (  -0.01,-137.13) (  -0.11,-136.56)   64.75                80