Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 8 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/29/2018   18:26:55   (   0.03, -75.23) (  -0.08, -75.68)   52.14                80
 08/30/2018   18:10:51   (   0.03, -75.24) (   0.97, -71.16)  465.84                80
 09/01/2018   06:32:39   (  -0.04, -75.27) (   0.23, -76.43)  132.18                80
 09/02/2018   06:11:16   (  -0.04, -75.29) (  -0.81, -71.91)  385.78                80
 09/03/2018   18:33:13   (   0.04, -75.31) (  -0.36, -77.21)  216.54                80
 09/04/2018   18:17:09   (   0.04, -75.33) (   0.63, -72.68)  301.56                80
 09/06/2018   06:38:58   (  -0.05, -75.36) (   0.51, -77.96)  296.11                80
 09/07/2018   06:17:34   (  -0.05, -75.37) (  -0.48, -73.42)  222.20                80
 09/08/2018   18:39:31   (   0.06, -75.40) (  -0.69, -78.73)  379.26                80
 09/09/2018   18:23:26   (   0.06, -75.43) (   0.31, -74.20)  139.70                80