Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 9 24.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/25/2019   06:38:59   (  -0.00, -75.19) (   0.63, -77.96)  315.99                80
 09/26/2019   06:17:35   (   0.00, -75.19) (  -0.40, -73.43)  200.50                80
 09/27/2019   18:39:31   (  -0.00, -75.20) (  -0.77, -78.73)  402.30                80
 09/28/2019   18:23:26   (  -0.00, -75.20) (   0.20, -74.19)  114.73                80
 09/30/2019   06:45:14   (   0.00, -75.20) (   0.95, -79.47)  485.64                80
 10/01/2019   06:23:49   (   0.00, -75.21) (  -0.08, -74.94)   31.64                80
 10/03/2019   18:27:00   (   0.00, -75.24) (  -0.12, -75.70)   52.70                80
 10/04/2019   18:10:56   (   0.00, -75.25) (   0.91, -71.17)  465.05                80
 10/06/2019   06:32:44   (  -0.00, -75.26) (   0.23, -76.44)  134.19                80
 10/07/2019   06:11:19   (   0.00, -75.27) (  -0.74, -71.90)  383.89                80