Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2019 8 2.  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   22:34:24   (   0.04,-137.20) (  -0.09,-137.63)   49.19                80
 08/04/2019   22:18:20   (   0.03,-137.20) (   0.93,-133.10)  467.21                80
 08/06/2019   10:37:28   (  -0.04,-137.20) (   0.22,-138.37)  133.19                80
 08/07/2019   10:21:24   (  -0.04,-137.20) (  -0.79,-133.84)  382.76                80
 08/08/2019   22:40:40   (   0.04,-137.18) (  -0.42,-139.14)  223.45                80
 08/09/2019   22:24:35   (   0.04,-137.18) (   0.59,-134.61)  292.18                80
 08/11/2019   10:43:44   (  -0.05,-137.17) (   0.56,-139.88)  309.39                80
 08/12/2019   10:27:39   (  -0.05,-137.16) (  -0.46,-135.35)  205.81                80
 08/13/2019   22:46:56   (   0.06,-137.13) (  -0.75,-140.65)  401.47                80
 08/14/2019   22:30:51   (   0.06,-137.12) (   0.26,-136.12)  113.60                80
 08/16/2019   10:49:59   (  -0.07,-137.10) (   0.89,-141.39)  488.64                80