Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 9 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/04/2019   06:32:45   (   0.00, -75.20) (   0.28, -76.48)  146.26                80
 09/05/2019   06:11:21   (   0.00, -75.21) (  -0.74, -71.95)  370.98                80
 09/06/2019   18:33:17   (  -0.00, -75.22) (  -0.45, -77.26)  231.36                80
 09/07/2019   18:17:13   (  -0.00, -75.23) (   0.57, -72.73)  286.28                80
 09/09/2019   06:39:00   (   0.01, -75.25) (   0.63, -77.99)  312.51                80
 09/10/2019   06:17:36   (   0.01, -75.26) (  -0.39, -73.46)  205.45                80
 09/11/2019   18:39:32   (  -0.01, -75.29) (  -0.79, -78.76)  395.68                80
 09/12/2019   18:20:47   (  -0.01, -75.31) (   0.23, -74.23)  122.81                80
 09/14/2019   06:45:15   (   0.02, -75.33) (   0.98, -79.49)  474.52                80
 09/15/2019   06:23:50   (   0.01, -75.35) (  -0.05, -74.96)   44.35                80