Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 6 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)
 06/09/2022   22:46:17   (  -0.02,-137.18) (   0.57,-134.69)  284.72                80
 06/11/2022   11:11:15   (   0.02,-137.17) (   0.69,-140.06)  329.54                80
 06/12/2022   10:50:11   (   0.01,-137.16) (  -0.31,-135.60)  177.08                80
 06/13/2022   23:15:17   (  -0.02,-137.14) (  -0.91,-141.01)  442.09                80
 06/14/2022   22:54:14   (  -0.01,-137.12) (   0.15,-136.57)   64.01                80
 06/17/2022   11:00:47   (   0.01,-137.08) (   0.11,-137.48)   46.46                80
 06/18/2022   10:39:43   (   0.00,-137.06) (  -0.89,-133.02)  459.29                80
 06/19/2022   23:04:49   (  -0.01,-137.02) (  -0.32,-138.43)  160.76                80
 06/20/2022   22:43:45   (  -0.01,-137.00) (   0.68,-133.98)  345.03                80
 06/22/2022   11:08:43   (   0.01,-136.97) (   0.57,-139.35)  271.34                80