Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2019 6 2.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/03/2019   10:39:50   (  -0.02,-137.20) (   0.22,-138.35)  130.80                80
 06/04/2019   10:18:25   (  -0.02,-137.20) (  -0.78,-133.82)  385.16                80
 06/05/2019   22:40:22   (   0.01,-137.17) (  -0.44,-139.12)  222.37                80
 06/06/2019   22:24:17   (   0.00,-137.16) (   0.55,-134.58)  293.39                80
 06/08/2019   10:46:07   (  -0.00,-137.17) (   0.58,-139.87)  306.41                80
 06/09/2019   10:24:42   (   0.01,-137.16) (  -0.42,-135.33)  208.84                80
 06/10/2019   22:46:38   (  -0.01,-137.12) (  -0.80,-140.63)  400.15                80
 06/11/2019   22:30:34   (  -0.01,-137.11) (   0.20,-136.10)  115.01                80
 06/13/2019   10:52:23   (   0.00,-137.11) (   0.93,-141.38)  485.37                80
 06/14/2019   10:33:39   (   0.00,-137.10) (  -0.07,-136.84)   29.23                80