Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 7 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/29/2018   18:10:29   (  -0.01, -75.19) (   0.91, -71.10)  465.79                80
 07/31/2018   06:32:18   (   0.01, -75.20) (   0.29, -76.37)  134.03                80
 08/01/2018   06:10:54   (   0.01, -75.20) (  -0.75, -71.85)  382.94                80
 08/02/2018   18:32:51   (  -0.01, -75.22) (  -0.46, -77.15)  220.37                80
 08/03/2018   18:16:48   (  -0.01, -75.23) (   0.58, -72.63)  296.96                80
 08/05/2018   06:38:36   (   0.01, -75.25) (   0.62, -77.89)  301.97                80
 08/06/2018   06:17:13   (   0.02, -75.26) (  -0.42, -73.37)  215.39                80
 08/07/2018   18:39:10   (  -0.02, -75.27) (  -0.78, -78.67)  387.59                80
 08/08/2018   18:23:07   (  -0.02, -75.28) (   0.26, -74.15)  130.00                80
 08/10/2018   06:44:55   (   0.03, -75.30) (   0.94, -79.42)  468.45                80
 08/11/2018   06:23:32   (   0.03, -75.32) (  -0.10, -74.89)   49.39                80