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

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/18/2020   10:27:03   (   0.02,-137.20) (  -0.43,-135.27)  220.83                80
 11/19/2020   22:46:18   (  -0.01,-137.18) (  -0.76,-140.57)  385.79                80
 11/20/2020   22:30:13   (  -0.01,-137.17) (   0.24,-136.04)  129.51                80
 11/22/2020   10:49:19   (   0.01,-137.16) (   0.96,-141.30)  472.69                80
 11/23/2020   10:33:13   (   0.01,-137.14) (  -0.05,-136.76)   42.59                80
 11/25/2020   22:33:43   (  -0.01,-137.10) (  -0.13,-137.53)   49.58                80
 11/26/2020   22:17:39   (  -0.01,-137.09) (   0.93,-133.01)  465.38                80
 11/28/2020   10:36:45   (   0.01,-137.06) (   0.26,-138.27)  137.71                80
 11/29/2020   10:20:40   (   0.01,-137.04) (  -0.74,-133.74)  376.68                80
 11/30/2020   22:39:55   (  -0.01,-137.00) (  -0.44,-139.04)  231.81                80