Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2018 8 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/13/2018   20:11:15   (   0.34,-104.68) (   1.10,-101.30)  385.08                80
 08/15/2018   08:33:03   (  -0.36,-104.55) (   0.10,-106.57)  230.77                80
 08/16/2018   08:11:40   (  -0.35,-104.55) (  -0.94,-102.05)  286.38                80
 08/17/2018   20:33:38   (   0.37,-104.71) (  -0.19,-107.36)  301.76                80
 08/18/2018   20:17:33   (   0.37,-104.72) (   0.79,-102.83)  215.99                80
 08/20/2018   08:39:22   (  -0.39,-104.60) (   0.41,-108.09)  398.53                80
 08/21/2018   08:17:58   (  -0.38,-104.61) (  -0.64,-103.57)  118.46                80
 08/22/2018   20:39:55   (   0.40,-104.75) (  -0.55,-108.88)  470.93                80
 08/23/2018   20:23:52   (   0.40,-104.76) (   0.50,-104.36)   46.85                80
 08/26/2018   08:26:57   (  -0.41,-104.66) (  -0.34,-105.10)   49.07                80