Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 9 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)
 09/26/2019   06:17:35   (  -0.00, -75.19) (  -0.39, -73.43)  200.73                80
 09/27/2019   18:39:31   (   0.00, -75.20) (  -0.79, -78.73)  401.93                80
 09/28/2019   18:23:26   (   0.00, -75.21) (   0.24, -74.20)  115.22                80
 09/30/2019   06:45:14   (  -0.00, -75.21) (   0.96, -79.46)  484.88                80
 10/01/2019   06:23:49   (  -0.00, -75.22) (  -0.07, -74.93)   32.50                80
 10/03/2019   18:27:01   (   0.01, -75.25) (  -0.07, -75.71)   51.63                80
 10/04/2019   18:10:56   (   0.01, -75.26) (   0.90, -71.17)  466.24                80
 10/06/2019   06:32:44   (  -0.02, -75.27) (   0.24, -76.44)  132.88                80
 10/07/2019   06:11:19   (  -0.02, -75.29) (  -0.79, -71.91)  385.24                80
 10/08/2019   18:33:15   (   0.02, -75.32) (  -0.43, -77.20)  215.21                80
 10/09/2019   18:17:10   (   0.02, -75.34) (   0.60, -72.68)  303.54                80