Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2018 10 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/13/2018   08:26:58   (   0.24,-104.12) (   0.44,-104.97)   97.28                80
 10/14/2018   08:05:34   (   0.25,-104.11) (  -0.59,-100.44)  418.22                80
 10/15/2018   20:27:30   (  -0.23,-104.10) (  -0.58,-105.76)  187.93                80
 10/16/2018   20:11:25   (  -0.24,-104.11) (   0.39,-101.22)  329.32                80
 10/18/2018   08:33:13   (   0.21,-104.13) (   0.74,-106.50)  269.66                80
 10/19/2018   08:11:47   (   0.22,-104.12) (  -0.23,-101.96)  245.98                80
 10/20/2018   20:33:45   (  -0.19,-104.09) (  -0.88,-107.28)  363.13                80
 10/21/2018   20:17:39   (  -0.20,-104.10) (   0.10,-102.75)  154.33                80
 10/23/2018   08:39:28   (   0.18,-104.15) (   1.04,-108.03)  441.26                80
 10/24/2018   08:18:02   (   0.20,-104.15) (   0.06,-103.49)   74.53                80