Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 7 31.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/01/2018   06:10:55   (  -0.02, -75.22) (  -0.79, -71.85)  384.17                80
 08/02/2018   18:32:52   (   0.02, -75.26) (  -0.42, -77.16)  216.94                80
 08/03/2018   18:16:49   (   0.03, -75.28) (   0.62, -72.63)  301.61                80
 08/05/2018   06:38:37   (  -0.03, -75.31) (   0.58, -77.90)  295.83                80
 08/06/2018   06:17:13   (  -0.03, -75.33) (  -0.46, -73.38)  222.68                80
 08/07/2018   18:39:12   (   0.03, -75.37) (  -0.68, -78.69)  378.28                80
 08/08/2018   18:23:07   (   0.04, -75.39) (   0.30, -74.16)  140.42                80
 08/10/2018   06:44:57   (  -0.04, -75.43) (   0.84, -79.44)  456.49                80
 08/11/2018   06:23:32   (  -0.04, -75.45) (  -0.14, -74.90)   62.50                80
 08/13/2018   18:26:46   (   0.04, -75.53) (  -0.01, -75.68)   17.87                80