Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 8 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/08/2018   18:23:07   (   0.03, -75.23) (   0.26, -74.15)  123.32                80
 08/10/2018   06:44:56   (  -0.03, -75.24) (   0.88, -79.43)  477.03                80
 08/11/2018   06:23:31   (  -0.04, -75.24) (  -0.10, -74.89)   39.95                80
 08/13/2018   18:26:45   (   0.04, -75.27) (  -0.06, -75.67)   45.40                80
 08/14/2018   18:10:42   (   0.04, -75.29) (   0.99, -71.15)  472.38                80
 08/16/2018   06:32:30   (  -0.04, -75.31) (   0.21, -76.41)  126.14                80
 08/17/2018   06:11:07   (  -0.04, -75.33) (  -0.83, -71.89)  391.98                80
 08/18/2018   18:33:04   (   0.05, -75.36) (  -0.36, -77.20)  209.31                80
 08/19/2018   18:17:00   (   0.05, -75.38) (   0.68, -72.67)  309.12                80
 08/21/2018   06:38:49   (  -0.05, -75.41) (   0.53, -77.94)  288.54                80