Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2020 6 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/04/2020   10:26:02   (  -0.00,-137.19) (  -0.64,-134.36)  323.33                80
 06/05/2020   22:47:42   (   0.00,-137.18) (  -0.52,-139.59)  273.97                80
 06/06/2020   22:31:25   (   0.01,-137.17) (   0.48,-135.00)  247.15                80
 06/08/2020   10:52:55   (  -0.01,-137.16) (   0.70,-140.19)  345.61                80
 06/09/2020   10:31:19   (  -0.01,-137.15) (  -0.37,-135.62)  175.26                80
 06/10/2020   22:52:57   (   0.01,-137.13) (  -0.85,-140.84)  422.86                80
 06/11/2020   22:36:42   (   0.01,-137.12) (   0.21,-136.27)   97.99                80
 06/13/2020   10:58:11   (  -0.00,-137.11) (   0.96,-141.46)  495.08                80
 06/14/2020   10:36:35   (  -0.00,-137.10) (  -0.04,-136.87)   25.48                80
 06/16/2020   22:39:18   (   0.00,-137.06) (  -0.10,-137.52)   53.15                80