Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2019 10 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/15/2019   10:24:55   (   0.00,-137.20) (  -0.40,-135.31)  215.49                80
 10/16/2019   22:46:51   (  -0.00,-137.20) (  -0.76,-140.62)  389.93                80
 10/17/2019   22:30:46   (  -0.00,-137.19) (   0.22,-136.08)  125.67                80
 10/19/2019   10:52:34   (   0.00,-137.17) (   0.91,-141.36)  476.79                80
 10/20/2019   10:31:08   (   0.00,-137.16) (  -0.07,-136.83)   38.16                80
 10/22/2019   22:34:19   (  -0.00,-137.12) (  -0.10,-137.60)   54.54                80
 10/23/2019   22:18:14   (  -0.00,-137.10) (   0.88,-133.06)  459.92                80
 10/25/2019   10:37:21   (   0.00,-137.08) (   0.31,-138.33)  143.93                80
 10/26/2019   10:21:17   (   0.00,-137.06) (  -0.73,-133.81)  370.32                80
 10/27/2019   22:40:32   (  -0.00,-137.02) (  -0.48,-139.11)  237.89                80