Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2019 10 24.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/25/2019   10:40:02   (  -0.01,-137.20) (   0.22,-138.35)  129.86                80
 10/26/2019   10:21:17   (  -0.01,-137.20) (  -0.76,-133.81)  386.38                80
 10/27/2019   22:40:33   (   0.01,-137.20) (  -0.39,-139.12)  218.46                80
 10/28/2019   22:24:28   (   0.00,-137.19) (   0.59,-134.58)  297.49                80
 10/30/2019   10:43:35   (  -0.00,-137.18) (   0.59,-139.86)  304.57                80
 10/31/2019   10:27:29   (  -0.00,-137.17) (  -0.40,-135.32)  210.89                80
 11/01/2019   22:46:46   (   0.00,-137.16) (  -0.75,-140.63)  395.22                80
 11/02/2019   22:30:40   (   0.00,-137.15) (   0.23,-136.09)  119.92                80
 11/04/2019   10:49:48   (  -0.01,-137.13) (   0.94,-141.37)  483.12                80
 11/05/2019   10:33:42   (  -0.01,-137.11) (  -0.05,-136.83)   31.85                80