Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 11 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/12/2018   18:20:50   (   0.01, -75.22) (   0.22, -74.27)  108.98                80
 11/14/2018   06:45:18   (  -0.01, -75.24) (   0.98, -79.53)  489.55                80
 11/15/2018   06:23:53   (  -0.00, -75.26) (  -0.04, -75.00)   28.10                80
 11/17/2018   18:29:46   (   0.00, -75.29) (  -0.09, -75.79)   57.12                80
 11/18/2018   18:08:22   (   0.00, -75.31) (   0.93, -71.27)  461.03                80
 11/20/2018   06:32:49   (  -0.00, -75.34) (   0.26, -76.53)  136.23                80
 11/21/2018   06:11:24   (  -0.00, -75.36) (  -0.76, -72.01)  382.06                80
 11/22/2018   18:36:01   (  -0.00, -75.38) (  -0.44, -77.31)  220.05                80
 11/23/2018   18:14:36   (  -0.00, -75.40) (   0.58, -72.78)  298.41                80
 11/25/2018   06:39:04   (   0.01, -75.44) (   0.62, -78.05)  298.42                80