Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2020 8 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)
 08/08/2020   10:39:42   (  -0.00,-137.16) (   0.27,-138.28)  127.76                80
 08/09/2020   10:18:18   (  -0.00,-137.16) (  -0.78,-133.76)  388.28                80
 08/10/2020   22:40:15   (   0.00,-137.16) (  -0.40,-139.06)  216.62                80
 08/11/2020   22:24:11   (  -0.00,-137.15) (   0.59,-134.53)  299.05                80
 08/13/2020   10:45:59   (   0.00,-137.13) (   0.58,-139.80)  303.39                80
 08/14/2020   10:24:35   (   0.01,-137.12) (  -0.41,-135.27)  211.68                80
 08/15/2020   22:46:32   (  -0.01,-137.10) (  -0.77,-140.57)  394.87                80
 08/16/2020   22:30:28   (  -0.01,-137.09) (   0.23,-136.04)  119.73                80
 08/18/2020   10:52:16   (   0.01,-137.06) (   0.95,-141.31)  484.15                80
 08/19/2020   10:30:51   (   0.01,-137.04) (  -0.05,-136.78)   29.97                80