Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 8 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/26/2018   06:45:06   (  -0.03, -75.20) (   0.90, -79.44)  483.05                80
 08/27/2018   06:23:41   (  -0.03, -75.21) (  -0.09, -74.91)   34.34                80
 08/29/2018   18:26:55   (   0.04, -75.24) (  -0.04, -75.69)   51.18                80
 08/30/2018   18:10:51   (   0.03, -75.25) (   0.94, -71.16)  466.74                80
 09/01/2018   06:32:40   (  -0.04, -75.28) (   0.20, -76.44)  131.01                80
 09/02/2018   06:11:16   (  -0.04, -75.30) (  -0.79, -71.90)  386.88                80
 09/03/2018   18:33:13   (   0.04, -75.32) (  -0.39, -77.21)  215.91                80
 09/04/2018   18:17:09   (   0.05, -75.33) (   0.66, -72.69)  302.09                80
 09/06/2018   06:38:58   (  -0.05, -75.37) (   0.55, -77.95)  295.34                80
 09/07/2018   06:17:34   (  -0.05, -75.38) (  -0.50, -73.43)  222.89                80