Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 1 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)
 01/25/2018   06:38:36   (   0.01, -75.21) (   0.61, -77.99)  316.68                80
 01/26/2018   06:17:10   (   0.01, -75.22) (  -0.40, -73.46)  200.91                80
 01/27/2018   18:39:05   (  -0.01, -75.25) (  -0.78, -78.76)  399.44                80
 01/28/2018   18:23:00   (  -0.02, -75.26) (   0.22, -74.22)  118.38                80
 01/30/2018   06:44:46   (   0.02, -75.26) (   0.99, -79.48)  481.80                80
 01/31/2018   06:23:22   (   0.02, -75.27) (  -0.08, -74.96)   36.28                80
 02/02/2018   18:26:32   (  -0.02, -75.33) (  -0.09, -75.73)   44.75                80
 02/03/2018   18:07:46   (  -0.01, -75.35) (   0.91, -71.19)  474.11                80
 02/05/2018   06:32:12   (   0.02, -75.37) (   0.29, -76.45)  124.16                80
 02/06/2018   06:10:48   (   0.01, -75.39) (  -0.78, -71.93)  395.01                80