Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2018 8 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/11/2018   08:08:00   (  -0.33,-104.51) (  -1.23,-100.52)  455.10                80
 08/12/2018   20:27:19   (   0.35,-104.67) (   0.09,-105.83)  132.42                80
 08/13/2018   20:11:14   (   0.34,-104.68) (   1.07,-101.30)  385.19                80
 08/15/2018   08:33:04   (  -0.36,-104.55) (   0.07,-106.58)  230.61                80
 08/16/2018   08:11:39   (  -0.35,-104.55) (  -0.92,-102.04)  286.55                80
 08/17/2018   20:33:37   (   0.37,-104.71) (  -0.22,-107.36)  301.58                80
 08/18/2018   20:17:33   (   0.37,-104.72) (   0.77,-102.82)  216.19                80
 08/20/2018   08:39:22   (  -0.39,-104.60) (   0.37,-108.10)  398.31                80
 08/21/2018   08:17:58   (  -0.38,-104.61) (  -0.61,-103.57)  118.67                80
 08/22/2018   20:39:56   (   0.40,-104.75) (  -0.52,-108.89)  470.70                80
 08/23/2018   20:23:52   (   0.40,-104.77) (   0.47,-104.35)   47.12                80