Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2020 3 2.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/02/2020   22:47:08   (  -0.02,-137.22) (  -0.54,-139.67)  278.32                80
 03/03/2020   22:30:51   (  -0.02,-137.22) (   0.44,-135.08)  243.18                80
 03/05/2020   10:52:21   (   0.02,-137.22) (   0.73,-140.27)  349.36                80
 03/06/2020   10:30:46   (   0.01,-137.21) (  -0.31,-135.70)  171.42                80
 03/07/2020   22:52:25   (  -0.01,-137.19) (  -0.87,-140.93)  427.25                80
 03/08/2020   22:36:10   (  -0.00,-137.18) (   0.18,-136.36)   93.30                80
 03/11/2020   10:36:05   (   0.00,-137.16) (  -0.04,-136.98)   20.07                80
 03/13/2020   22:38:47   (  -0.00,-137.11) (  -0.15,-137.63)   59.46                80
 03/14/2020   22:22:32   (  -0.00,-137.09) (   0.90,-133.05)  460.43                80
 03/16/2020   10:44:03   (   0.00,-137.07) (   0.24,-138.26)  134.49                80