Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2019 11 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/23/2019   22:34:06   (  -0.00,-137.24) (  -0.06,-137.61)   41.78                80
 11/24/2019   22:18:01   (  -0.01,-137.24) (   0.94,-133.07)  475.39                80
 11/26/2019   10:37:07   (   0.01,-137.25) (   0.27,-138.33)  124.22                80
 11/27/2019   10:18:23   (   0.02,-137.25) (  -0.78,-133.81)  392.51                80
 11/28/2019   22:42:58   (  -0.02,-137.24) (  -0.43,-139.11)  212.21                80
 11/29/2019   22:21:33   (  -0.02,-137.24) (   0.57,-134.57)  304.08                80
 12/01/2019   10:46:00   (   0.03,-137.24) (   0.58,-139.85)  296.58                80
 12/02/2019   10:24:34   (   0.02,-137.23) (  -0.42,-135.31)  219.45                80
 12/03/2019   22:49:10   (  -0.03,-137.22) (  -0.79,-140.61)  386.01                80
 12/04/2019   22:27:44   (  -0.02,-137.22) (   0.21,-136.07)  129.81                80
 12/06/2019   10:52:12   (   0.03,-137.21) (   0.94,-141.35)  471.44                80