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)
 08/12/2018   20:27:18   (   0.35,-104.67) (   0.07,-105.83)  132.55                80
 08/13/2018   20:11:15   (   0.34,-104.68) (   1.11,-101.30)  385.06                80
 08/15/2018   08:33:03   (  -0.36,-104.55) (   0.09,-106.57)  230.78                80
 08/16/2018   08:11:39   (  -0.35,-104.55) (  -0.90,-102.04)  286.35                80
 08/17/2018   20:33:37   (   0.37,-104.71) (  -0.24,-107.35)  301.77                80
 08/18/2018   20:17:34   (   0.37,-104.72) (   0.81,-102.83)  215.98                80
 08/20/2018   08:39:22   (  -0.39,-104.60) (   0.39,-108.10)  398.56                80
 08/21/2018   08:17:57   (  -0.38,-104.61) (  -0.59,-103.56)  118.43                80
 08/22/2018   20:39:56   (   0.40,-104.75) (  -0.54,-108.88)  470.95                80
 08/23/2018   20:23:52   (   0.40,-104.76) (   0.51,-104.36)   46.87                80
 08/26/2018   08:26:56   (  -0.41,-104.66) (  -0.29,-105.09)   49.07                80