Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2019 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)
 08/08/2019   22:40:40   (   0.04,-137.20) (  -0.39,-139.14)  221.52                80
 08/09/2019   22:24:36   (   0.04,-137.20) (   0.62,-134.61)  294.69                80
 08/11/2019   10:43:43   (  -0.05,-137.20) (   0.58,-139.87)  305.31                80
 08/12/2019   10:27:39   (  -0.05,-137.20) (  -0.43,-135.34)  210.55                80
 08/13/2019   22:46:56   (   0.06,-137.18) (  -0.72,-140.65)  396.28                80
 08/14/2019   22:30:52   (   0.06,-137.17) (   0.30,-136.12)  119.39                80
 08/16/2019   10:49:59   (  -0.06,-137.17) (   0.91,-141.39)  481.21                80
 08/17/2019   10:33:54   (  -0.06,-137.16) (  -0.11,-136.85)   34.31                80
 08/19/2019   22:34:26   (   0.06,-137.12) (  -0.08,-137.62)   58.12                80
 08/20/2019   22:18:22   (   0.06,-137.11) (   0.94,-133.09)  457.02                80