Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 9 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/02/2018   06:11:15   (  -0.02, -75.19) (  -0.73, -71.89)  376.33                80
 09/03/2018   18:33:12   (   0.03, -75.20) (  -0.44, -77.19)  227.67                80
 09/04/2018   18:17:08   (   0.03, -75.20) (   0.61, -72.67)  288.80                80
 09/06/2018   06:38:57   (  -0.04, -75.20) (   0.59, -77.94)  312.03                80
 09/07/2018   06:17:33   (  -0.04, -75.21) (  -0.46, -73.42)  204.68                80
 09/08/2018   18:39:31   (   0.04, -75.22) (  -0.71, -78.72)  398.44                80
 09/09/2018   18:23:26   (   0.04, -75.23) (   0.28, -74.19)  118.91                80
 09/11/2018   06:45:14   (  -0.04, -75.25) (   0.92, -79.46)  480.26                80
 09/12/2018   06:23:51   (  -0.04, -75.26) (  -0.13, -74.93)   37.52                80
 09/14/2018   18:27:04   (   0.04, -75.30) (  -0.04, -75.71)   46.07                80