Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2020 11 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 11/05/2020   22:48:35   (  -0.02,-137.21) (  -0.49,-139.29)  237.05                80
 11/06/2020   22:32:18   (  -0.02,-137.21) (   0.55,-134.71)  284.83                80
 11/08/2020   10:51:07   (   0.01,-137.20) (   0.60,-139.90)  307.52                80
 11/09/2020   10:34:51   (   0.01,-137.19) (  -0.43,-135.32)  213.93                80
 11/10/2020   22:53:48   (  -0.01,-137.18) (  -0.78,-140.53)  383.20                80
 11/11/2020   22:37:32   (  -0.01,-137.17) (   0.26,-135.95)  138.05                80
 11/13/2020   10:56:21   (   0.01,-137.15) (   0.90,-141.14)  455.12                80
 11/14/2020   10:40:05   (   0.01,-137.13) (  -0.13,-136.56)   65.61                80
 11/16/2020   22:40:05   (  -0.01,-137.09) (  -0.03,-137.20)   12.51                80