Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2018 7 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/30/2018   08:30:10   (  -0.28,-104.43) (   0.21,-106.52)  238.81                80
 07/31/2018   08:14:07   (  -0.27,-104.43) (  -0.83,-101.99)  278.21                80
 08/01/2018   20:33:25   (   0.30,-104.60) (  -0.32,-107.31)  309.53                80
 08/02/2018   20:17:21   (   0.29,-104.60) (   0.72,-102.79)  207.86                80
 08/04/2018   08:36:30   (  -0.31,-104.46) (   0.48,-108.05)  408.85                80
 08/05/2018   08:20:25   (  -0.30,-104.47) (  -0.50,-103.52)  107.87                80
 08/06/2018   20:39:44   (   0.33,-104.62) (  -0.64,-108.83)  481.21                80
 08/07/2018   20:23:40   (   0.32,-104.62) (   0.40,-104.31)   35.72                80
 08/10/2018   08:26:45   (  -0.34,-104.48) (  -0.24,-105.05)   64.37                80
 08/11/2018   08:08:00   (  -0.33,-104.48) (  -1.22,-100.52)  452.10                80