Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2019 11 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)
 11/29/2019   22:21:33   (   0.00,-137.20) (   0.57,-134.57)  299.67                80
 12/01/2019   10:46:00   (   0.00,-137.21) (   0.57,-139.85)  300.36                80
 12/02/2019   10:24:34   (  -0.01,-137.20) (  -0.42,-135.31)  215.75                80
 12/03/2019   22:49:10   (   0.00,-137.19) (  -0.78,-140.61)  389.74                80
 12/04/2019   22:27:45   (   0.01,-137.19) (   0.28,-136.09)  126.21                80
 12/06/2019   10:52:12   (  -0.00,-137.18) (   0.93,-141.35)  474.34                80
 12/07/2019   10:30:46   (  -0.01,-137.18) (  -0.07,-136.81)   41.34                80
 12/09/2019   22:36:36   (  -0.00,-137.15) (  -0.13,-137.58)   49.80                80
 12/10/2019   22:15:11   (   0.00,-137.13) (   0.93,-133.05)  465.31                80
 12/12/2019   10:39:38   (   0.01,-137.11) (   0.27,-138.32)  136.93                80
 12/13/2019   10:18:12   (   0.00,-137.09) (  -0.73,-133.78)  377.42                80