Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 9 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)
 09/27/2019   18:39:31   (  -0.01, -75.20) (  -0.78, -78.73)  401.87                80
 09/28/2019   18:23:26   (  -0.01, -75.21) (   0.19, -74.19)  115.28                80
 09/30/2019   06:45:14   (   0.01, -75.21) (   0.95, -79.46)  484.67                80
 10/01/2019   06:23:49   (   0.00, -75.22) (  -0.08, -74.94)   32.74                80
 10/03/2019   18:27:00   (  -0.00, -75.25) (  -0.12, -75.70)   51.47                80
 10/04/2019   18:10:56   (  -0.00, -75.26) (   0.91, -71.17)  466.41                80
 10/06/2019   06:32:43   (   0.00, -75.28) (   0.29, -76.43)  132.38                80
 10/07/2019   06:11:19   (   0.00, -75.29) (  -0.74, -71.90)  385.84                80
 10/08/2019   18:33:15   (  -0.01, -75.32) (  -0.42, -77.21)  214.63                80
 10/09/2019   18:14:30   (  -0.00, -75.34) (   0.61, -72.68)  304.10                80