Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2018 7 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/14/2018   08:30:00   (  -0.20,-104.33) (   0.29,-106.48)  245.07                80
 07/15/2018   08:13:55   (  -0.18,-104.34) (  -0.75,-101.95)  272.34                80
 07/16/2018   20:33:12   (   0.21,-104.50) (  -0.44,-107.26)  314.80                80
 07/17/2018   20:17:07   (   0.20,-104.51) (   0.60,-102.73)  202.93                80
 07/19/2018   08:36:15   (  -0.23,-104.36) (   0.56,-108.00)  413.52                80
 07/20/2018   08:20:09   (  -0.21,-104.37) (  -0.42,-103.46)  104.16                80
 07/21/2018   20:39:26   (   0.24,-104.54) (  -0.70,-108.77)  482.79                80
 07/22/2018   20:23:21   (   0.23,-104.54) (   0.28,-104.23)   35.12                80
 07/25/2018   08:23:44   (  -0.25,-104.41) (  -0.15,-104.97)   63.50                80
 07/26/2018   08:07:38   (  -0.24,-104.42) (  -1.13,-100.43)  454.19                80