Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2020 11 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/12/2020   10:36:56   (   0.02,-137.23) (   0.27,-138.29)  121.09                80
 11/13/2020   10:20:51   (   0.02,-137.23) (  -0.73,-133.76)  395.19                80
 11/14/2020   22:40:07   (  -0.02,-137.22) (  -0.40,-139.07)  210.17                80
 11/15/2020   22:24:01   (  -0.02,-137.21) (   0.60,-134.54)  305.63                80
 11/17/2020   10:43:08   (   0.02,-137.20) (   0.61,-139.80)  296.54                80
 11/18/2020   10:27:02   (   0.02,-137.19) (  -0.40,-135.26)  218.73                80
 11/19/2020   22:46:18   (  -0.01,-137.17) (  -0.79,-140.57)  387.98                80
 11/20/2020   22:30:12   (  -0.01,-137.15) (   0.21,-136.03)  127.14                80
 11/22/2020   10:49:19   (   0.01,-137.13) (   0.93,-141.31)  475.60                80
 11/23/2020   10:33:14   (   0.01,-137.12) (  -0.07,-136.77)   39.34                80