Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2020 2 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/01/2020   10:39:22   (   0.01,-137.22) (   0.26,-138.30)  122.55                80
 03/02/2020   10:17:57   (   0.01,-137.22) (  -0.74,-133.77)  393.73                80
 03/03/2020   22:39:55   (  -0.01,-137.22) (  -0.41,-139.08)  211.83                80
 03/04/2020   22:23:50   (  -0.01,-137.21) (   0.60,-134.55)  303.91                80
 03/06/2020   10:45:38   (   0.01,-137.21) (   0.58,-139.82)  297.64                80
 03/07/2020   10:24:14   (   0.01,-137.20) (  -0.43,-135.29)  217.55                80
 03/08/2020   22:46:10   (  -0.00,-137.17) (  -0.78,-140.59)  389.49                80
 03/09/2020   22:30:06   (  -0.00,-137.16) (   0.23,-136.06)  125.53                80
 03/11/2020   10:51:54   (   0.00,-137.15) (   0.94,-141.33)  476.74                80
 03/12/2020   10:30:30   (   0.00,-137.13) (  -0.07,-136.80)   37.96                80