Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2020 11 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 11/16/2020   22:40:05   (  -0.02,-137.22) (  -0.04,-137.19)    4.13                80
 11/19/2020   10:42:37   (   0.01,-137.19) (   0.16,-137.80)   68.73                80
 11/20/2020   10:26:21   (   0.01,-137.18) (  -0.88,-133.22)  452.43                80
 11/21/2020   22:45:18   (  -0.01,-137.16) (  -0.31,-138.43)  144.83                80
 11/22/2020   22:29:02   (  -0.01,-137.15) (   0.73,-133.85)  376.28                80
 11/24/2020   10:47:51   (   0.01,-137.14) (   0.44,-139.04)  217.06                80
 11/25/2020   10:31:35   (   0.01,-137.12) (  -0.60,-134.46)  303.83                80
 11/26/2020   22:50:32   (  -0.01,-137.10) (  -0.57,-139.68)  293.93                80
 11/27/2020   22:34:14   (  -0.01,-137.08) (   0.41,-135.09)  226.66                80