Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2019 10 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)
 10/30/2019   10:43:34   (   0.00,-137.21) (   0.61,-139.85)  300.91                80
 10/31/2019   10:27:30   (   0.00,-137.21) (  -0.43,-135.32)  215.57                80
 11/01/2019   22:46:45   (  -0.00,-137.21) (  -0.78,-140.62)  389.77                80
 11/02/2019   22:30:41   (  -0.00,-137.20) (   0.26,-136.10)  126.36                80
 11/04/2019   10:49:48   (   0.00,-137.20) (   0.91,-141.37)  474.39                80
 11/05/2019   10:33:43   (  -0.00,-137.20) (  -0.08,-136.83)   41.52                80
 11/07/2019   22:34:14   (  -0.00,-137.18) (  -0.09,-137.61)   48.77                80
 11/08/2019   22:18:08   (   0.00,-137.17) (   0.90,-133.07)  466.83                80
 11/10/2019   10:37:15   (  -0.00,-137.16) (   0.27,-138.34)  134.77                80
 11/11/2019   10:21:10   (  -0.00,-137.15) (  -0.72,-133.81)  380.44                80