Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2020 3 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)
 03/05/2020   10:52:22   (  -0.00,-137.22) (   0.67,-140.29)  349.33                80
 03/06/2020   10:30:46   (  -0.00,-137.21) (  -0.31,-135.70)  171.75                80
 03/07/2020   22:52:25   (   0.00,-137.20) (  -0.86,-140.93)  426.37                80
 03/08/2020   22:36:10   (   0.00,-137.19) (   0.18,-136.36)   94.48                80
 03/10/2020   10:57:40   (  -0.00,-137.18) (   1.00,-141.55)  498.77                80
 03/11/2020   10:36:04   (  -0.00,-137.17) (  -0.05,-136.98)   21.73                80
 03/13/2020   22:38:47   (   0.00,-137.13) (  -0.13,-137.63)   57.07                80
 03/14/2020   22:22:32   (   0.00,-137.11) (   0.91,-133.05)  463.02                80
 03/16/2020   10:44:02   (   0.00,-137.09) (   0.27,-138.25)  131.59                80
 03/17/2020   10:22:27   (   0.00,-137.07) (  -0.77,-133.67)  388.01                80
 03/18/2020   22:44:05   (  -0.00,-137.04) (  -0.43,-138.90)  212.22                80