Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2019 8 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/03/2019   22:34:25   (   0.04,-137.20) (  -0.05,-137.63)   49.15                80
 08/04/2019   22:18:20   (   0.03,-137.20) (   0.96,-133.10)  467.16                80
 08/06/2019   10:37:28   (  -0.04,-137.20) (   0.25,-138.36)  133.13                80
 08/07/2019   10:21:23   (  -0.04,-137.20) (  -0.77,-133.83)  382.86                80
 08/08/2019   22:40:40   (   0.04,-137.18) (  -0.39,-139.14)  223.44                80
 08/09/2019   22:24:36   (   0.04,-137.18) (   0.63,-134.61)  292.15                80
 08/11/2019   10:43:43   (  -0.05,-137.17) (   0.58,-139.88)  309.26                80
 08/12/2019   10:27:39   (  -0.05,-137.16) (  -0.44,-135.34)  205.97                80
 08/13/2019   22:46:56   (   0.06,-137.13) (  -0.71,-140.66)  401.43                80
 08/14/2019   22:30:52   (   0.06,-137.12) (   0.31,-136.13)  113.65                80
 08/16/2019   10:49:59   (  -0.07,-137.10) (   0.90,-141.39)  488.42                80
 08/17/2019   10:33:54   (  -0.07,-137.09) (  -0.12,-136.86)   26.40                80