Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2018 7 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/17/2018   20:17:07   (   0.20,-104.51) (   0.59,-102.72)  202.90                80
 07/19/2018   08:36:14   (  -0.23,-104.36) (   0.58,-107.99)  413.60                80
 07/20/2018   08:20:09   (  -0.21,-104.37) (  -0.40,-103.45)  104.09                80
 07/21/2018   20:39:26   (   0.24,-104.53) (  -0.72,-108.77)  482.83                80
 07/22/2018   20:23:22   (   0.23,-104.54) (   0.32,-104.24)   35.09                80
 07/25/2018   08:23:44   (  -0.25,-104.41) (  -0.14,-104.97)   63.52                80
 07/26/2018   08:07:38   (  -0.24,-104.41) (  -1.13,-100.43)  454.13                80
 07/27/2018   20:26:55   (   0.27,-104.58) (   0.01,-105.75)  132.86                80
 07/28/2018   20:10:50   (   0.26,-104.59) (   1.00,-101.21)  385.08                80
 07/30/2018   08:29:57   (  -0.29,-104.45) (   0.17,-106.47)  230.57                80