Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 8 26.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/27/2018   06:23:42   (  -0.03, -75.20) (  -0.12, -74.92)   33.69                80
 08/29/2018   18:26:55   (   0.04, -75.24) (  -0.07, -75.69)   51.57                80
 08/30/2018   18:10:51   (   0.03, -75.25) (   0.98, -71.16)  466.37                80
 09/01/2018   06:32:40   (  -0.04, -75.28) (   0.23, -76.43)  131.49                80
 09/02/2018   06:11:16   (  -0.04, -75.29) (  -0.82, -71.91)  386.45                80
 09/03/2018   18:33:13   (   0.04, -75.31) (  -0.35, -77.22)  216.12                80
 09/04/2018   18:17:09   (   0.05, -75.33) (   0.64, -72.68)  301.96                80
 09/06/2018   06:38:58   (  -0.05, -75.36) (   0.51, -77.96)  295.57                80
 09/07/2018   06:17:34   (  -0.05, -75.38) (  -0.48, -73.42)  222.71                80
 09/08/2018   18:39:31   (   0.06, -75.41) (  -0.68, -78.73)  378.98                80