Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2020 7 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/29/2020   10:24:27   (   0.03,-137.20) (  -0.41,-135.25)  222.59                80
 07/30/2020   22:46:24   (  -0.01,-137.19) (  -0.78,-140.56)  383.57                80
 07/31/2020   22:30:21   (   0.02,-137.19) (   0.27,-136.03)  131.58                80
 08/02/2020   10:52:09   (  -0.01,-137.18) (   0.91,-141.30)  469.46                80
 08/03/2020   10:30:45   (  -0.01,-137.18) (  -0.08,-136.77)   46.15                80
 08/05/2020   22:33:58   (   0.01,-137.15) (  -0.05,-137.55)   44.92                80
 08/06/2020   22:17:54   (   0.01,-137.15) (   0.94,-133.02)  470.63                80
 08/08/2020   10:37:02   (  -0.01,-137.14) (   0.24,-138.29)  131.04                80
 08/09/2020   10:20:58   (  -0.00,-137.13) (  -0.75,-133.75)  384.05                80
 08/10/2020   22:40:15   (   0.01,-137.10) (  -0.43,-139.06)  223.37                80