Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2018 8 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/10/2018   08:26:44   (  -0.34,-104.50) (  -0.22,-105.05)   61.69                80
 08/11/2018   08:08:00   (  -0.33,-104.51) (  -1.20,-100.51)  455.14                80
 08/12/2018   20:27:18   (   0.35,-104.67) (   0.06,-105.83)  132.47                80
 08/13/2018   20:11:15   (   0.34,-104.68) (   1.10,-101.30)  385.16                80
 08/15/2018   08:33:03   (  -0.36,-104.55) (   0.09,-106.57)  230.61                80
 08/16/2018   08:11:39   (  -0.35,-104.55) (  -0.89,-102.03)  286.54                80
 08/17/2018   20:33:37   (   0.37,-104.71) (  -0.25,-107.35)  301.66                80
 08/18/2018   20:17:34   (   0.37,-104.72) (   0.80,-102.83)  216.09                80
 08/20/2018   08:39:22   (  -0.39,-104.60) (   0.41,-108.10)  398.38                80
 08/21/2018   08:17:58   (  -0.38,-104.61) (  -0.64,-103.57)  118.61                80
 08/22/2018   20:39:56   (   0.40,-104.75) (  -0.55,-108.88)  470.84                80