Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2019 7 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/05/2019   10:40:01   (  -0.02,-137.21) (   0.24,-138.37)  132.01                80
 07/06/2019   10:18:37   (  -0.01,-137.21) (  -0.77,-133.84)  384.13                80
 07/07/2019   22:40:33   (   0.02,-137.19) (  -0.45,-139.14)  222.87                80
 07/08/2019   22:24:29   (   0.01,-137.18) (   0.62,-134.62)  293.19                80
 07/10/2019   10:43:37   (  -0.02,-137.19) (   0.61,-139.87)  306.38                80
 07/11/2019   10:27:32   (  -0.02,-137.18) (  -0.40,-135.34)  209.25                80
 07/12/2019   22:46:50   (   0.02,-137.15) (  -0.76,-140.65)  398.96                80
 07/13/2019   22:30:45   (   0.02,-137.14) (   0.25,-136.12)  116.33                80
 07/15/2019   10:49:53   (  -0.03,-137.14) (   0.92,-141.39)  484.21                80
 07/16/2019   10:33:49   (  -0.02,-137.13) (  -0.09,-136.86)   30.72                80
 07/18/2019   22:34:21   (   0.02,-137.07) (  -0.11,-137.63)   63.75                80