Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2020 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)
 11/09/2020   22:33:54   (  -0.02,-137.24) (  -0.11,-137.56)   37.12                80
 11/10/2020   22:17:50   (  -0.02,-137.24) (   0.95,-133.03)  479.63                80
 11/12/2020   10:36:56   (   0.01,-137.24) (   0.26,-138.30)  121.08                80
 11/13/2020   10:20:51   (   0.02,-137.23) (  -0.74,-133.76)  395.21                80
 11/14/2020   22:40:06   (  -0.01,-137.22) (  -0.45,-139.06)  210.11                80
 11/15/2020   22:24:02   (  -0.02,-137.22) (   0.61,-134.54)  305.74                80
 11/17/2020   10:43:08   (   0.01,-137.20) (   0.60,-139.80)  296.30                80
 11/18/2020   10:27:02   (   0.01,-137.19) (  -0.41,-135.27)  218.99                80
 11/19/2020   22:46:18   (  -0.01,-137.17) (  -0.78,-140.57)  387.70                80
 11/20/2020   22:30:12   (  -0.01,-137.16) (   0.23,-136.04)  127.44                80