Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2019 8 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/08/2019   22:40:40   (   0.04,-137.20) (  -0.41,-139.14)  221.55                80
 08/09/2019   22:24:36   (   0.04,-137.20) (   0.60,-134.61)  294.62                80
 08/11/2019   10:46:24   (  -0.05,-137.20) (   0.54,-139.88)  305.38                80
 08/12/2019   10:27:39   (  -0.05,-137.19) (  -0.47,-135.35)  210.39                80
 08/13/2019   22:46:56   (   0.06,-137.17) (  -0.74,-140.65)  396.60                80
 08/14/2019   22:30:51   (   0.06,-137.17) (   0.28,-136.12)  119.03                80
 08/16/2019   10:50:00   (  -0.06,-137.16) (   0.87,-141.39)  481.56                80
 08/17/2019   10:33:55   (  -0.06,-137.15) (  -0.15,-136.86)   33.90                80
 08/19/2019   22:34:27   (   0.06,-137.11) (  -0.04,-137.63)   58.70                80
 08/20/2019   22:18:22   (   0.06,-137.10) (   0.98,-133.10)  456.32                80
 08/22/2019   10:37:30   (  -0.07,-137.09) (   0.23,-138.36)  145.51                80