Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2020 11 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/28/2020   10:36:46   (   0.00,-137.24) (   0.21,-138.28)  117.93                80
 11/29/2020   10:20:40   (   0.01,-137.24) (  -0.80,-133.75)  398.61                80
 11/30/2020   22:39:56   (  -0.01,-137.22) (  -0.39,-139.05)  207.30                80
 12/01/2020   22:23:50   (  -0.01,-137.22) (   0.62,-134.52)  308.71                80
 12/03/2020   10:42:57   (   0.01,-137.21) (   0.56,-139.78)  292.24                80
 12/04/2020   10:26:51   (   0.01,-137.20) (  -0.45,-135.25)  223.18                80
 12/05/2020   22:46:06   (  -0.01,-137.17) (  -0.74,-140.55)  384.27                80
 12/06/2020   22:30:01   (  -0.01,-137.16) (   0.27,-136.01)  130.84                80
 12/08/2020   10:49:07   (   0.00,-137.14) (   0.91,-141.28)  471.13                80
 12/09/2020   10:33:02   (   0.00,-137.12) (  -0.10,-136.74)   43.68                80