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)  278.33                80
 03/03/2020   22:30:51   (  -0.02,-137.22) (   0.45,-135.08)  243.12                80
 03/05/2020   10:52:21   (   0.02,-137.21) (   0.73,-140.28)  349.52                80
 03/06/2020   10:30:46   (   0.01,-137.21) (  -0.31,-135.70)  171.22                80
 03/07/2020   22:52:25   (  -0.01,-137.19) (  -0.87,-140.93)  427.47                80
 03/08/2020   22:36:10   (  -0.00,-137.18) (   0.18,-136.36)   93.03                80
 03/11/2020   10:36:05   (   0.00,-137.15) (  -0.03,-136.98)   19.65                80
 03/13/2020   22:38:48   (  -0.00,-137.11) (  -0.09,-137.64)   59.95                80
 03/14/2020   22:22:32   (  -0.00,-137.09) (   0.89,-133.05)  459.89                80