Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 9 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/23/2019   18:17:12   (  -0.01, -75.21) (   0.56, -72.70)  286.51                80
 09/25/2019   06:38:59   (   0.01, -75.20) (   0.64, -77.96)  314.38                80
 09/26/2019   06:17:35   (   0.01, -75.21) (  -0.39, -73.43)  202.70                80
 09/27/2019   18:39:31   (  -0.01, -75.23) (  -0.78, -78.73)  398.97                80
 09/28/2019   18:23:26   (  -0.01, -75.24) (   0.24, -74.20)  118.65                80
 09/30/2019   06:45:14   (   0.01, -75.25) (   0.96, -79.46)  480.91                80
 10/01/2019   06:23:49   (   0.01, -75.26) (  -0.07, -74.94)   36.90                80
 10/03/2019   18:27:00   (  -0.01, -75.30) (  -0.13, -75.70)   45.71                80
 10/04/2019   18:10:56   (  -0.01, -75.32) (   0.90, -71.17)  472.77                80
 10/06/2019   06:32:44   (   0.02, -75.34) (   0.24, -76.44)  125.51                80