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   (  -0.00,-137.20) (   0.26,-138.34)  129.55                80
 10/26/2019   10:18:37   (  -0.00,-137.20) (  -0.78,-133.81)  386.62                80
 10/27/2019   22:40:32   (   0.00,-137.20) (  -0.44,-139.11)  218.28                80
 10/28/2019   22:24:28   (  -0.00,-137.19) (   0.61,-134.59)  297.60                80
 10/30/2019   10:46:15   (   0.00,-137.18) (   0.57,-139.86)  304.49                80
 10/31/2019   10:24:50   (   0.00,-137.17) (  -0.41,-135.32)  210.94                80
 11/01/2019   22:46:45   (   0.00,-137.16) (  -0.80,-140.62)  395.27                80
 11/02/2019   22:30:41   (   0.00,-137.15) (   0.25,-136.10)  119.79                80
 11/04/2019   10:49:48   (  -0.02,-137.13) (   0.93,-141.37)  483.40                80
 11/05/2019   10:33:42   (  -0.02,-137.11) (  -0.06,-136.83)   31.51                80