Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 8 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/06/2018   06:17:13   (  -0.01, -75.23) (  -0.42, -73.36)  212.43                80
 08/07/2018   18:39:10   (   0.00, -75.24) (  -0.79, -78.67)  391.12                80
 08/08/2018   18:23:06   (   0.00, -75.25) (   0.25, -74.15)  125.73                80
 08/10/2018   06:44:55   (   0.00, -75.25) (   0.94, -79.41)  474.24                80
 08/11/2018   06:23:31   (   0.00, -75.26) (  -0.10, -74.89)   42.94                80
 08/13/2018   18:29:24   (  -0.01, -75.30) (  -0.12, -75.66)   42.05                80
 08/14/2018   18:08:01   (  -0.01, -75.31) (   0.93, -71.14)  475.91                80
 08/16/2018   06:32:29   (   0.01, -75.33) (   0.27, -76.40)  122.40                80
 08/17/2018   06:11:05   (   0.01, -75.35) (  -0.77, -71.88)  395.83                80
 08/18/2018   18:35:43   (  -0.01, -75.39) (  -0.42, -77.18)  205.09                80
 08/19/2018   18:14:19   (  -0.01, -75.41) (   0.63, -72.66)  313.49                80