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) (   0.31, -76.48)  146.37                80
 09/05/2019   06:11:20   (   0.00, -75.20) (  -0.71, -71.95)  370.67                80
 09/06/2019   18:33:17   (  -0.01, -75.21) (  -0.48, -77.25)  232.26                80
 09/07/2019   18:17:12   (  -0.01, -75.22) (   0.54, -72.72)  285.17                80
 09/09/2019   06:39:01   (   0.01, -75.24) (   0.60, -77.99)  313.67                80
 09/10/2019   06:17:36   (   0.01, -75.25) (  -0.42, -73.46)  204.11                80
 09/11/2019   18:42:12   (  -0.01, -75.27) (  -0.76, -78.77)  397.64                80
 09/12/2019   18:20:47   (  -0.01, -75.29) (   0.20, -74.22)  120.68                80
 09/14/2019   06:45:15   (   0.01, -75.31) (   0.95, -79.50)  476.71                80
 09/15/2019   06:23:51   (   0.01, -75.33) (  -0.08, -74.97)   41.87                80
 09/17/2019   18:29:43   (  -0.01, -75.39) (  -0.07, -75.74)   39.81                80