Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2019 10 31.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/01/2019   22:46:46   (  -0.01,-137.21) (  -0.76,-140.63)  389.47                80
 11/02/2019   22:30:40   (  -0.01,-137.20) (   0.23,-136.09)  126.66                80
 11/04/2019   10:49:48   (   0.01,-137.21) (   0.95,-141.36)  473.94                80
 11/05/2019   10:33:43   (   0.00,-137.20) (  -0.10,-136.84)   42.03                80
 11/07/2019   22:34:13   (  -0.00,-137.18) (  -0.12,-137.60)   48.59                80
 11/08/2019   22:18:08   (  -0.00,-137.17) (   0.92,-133.08)  467.12                80
 11/10/2019   10:37:16   (   0.00,-137.17) (   0.25,-138.35)  134.31                80
 11/11/2019   10:21:10   (   0.00,-137.15) (  -0.74,-133.81)  380.94                80
 11/12/2019   22:40:26   (  -0.00,-137.13) (  -0.46,-139.11)  226.56                80
 11/13/2019   22:24:21   (  -0.00,-137.11) (   0.59,-134.59)  288.13                80