Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2019 11 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/07/2019   22:34:14   (   0.00,-137.21) (  -0.07,-137.61)   45.28                80
 11/08/2019   22:18:08   (   0.00,-137.21) (   0.92,-133.07)  471.41                80
 11/10/2019   10:39:56   (  -0.00,-137.22) (   0.24,-138.35)  128.36                80
 11/11/2019   10:18:30   (  -0.00,-137.22) (  -0.75,-133.81)  387.83                80
 11/12/2019   22:40:26   (   0.00,-137.20) (  -0.41,-139.12)  218.17                80
 11/13/2019   22:24:21   (   0.00,-137.20) (   0.58,-134.59)  297.57                80
 11/15/2019   10:46:08   (   0.00,-137.19) (   0.58,-139.86)  303.73                80
 11/16/2019   10:24:43   (   0.01,-137.18) (  -0.41,-135.32)  211.44                80
 11/17/2019   22:46:38   (  -0.01,-137.14) (  -0.79,-140.62)  396.24                80
 11/18/2019   22:30:33   (  -0.02,-137.13) (   0.20,-136.08)  118.52                80
 11/20/2019   10:52:20   (   0.02,-137.11) (   0.96,-141.36)  484.05                80
 11/21/2019   10:30:55   (   0.02,-137.09) (  -0.03,-136.82)   30.33                80