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

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/11/2018   18:39:35   (  -0.02, -75.21) (  -0.81, -78.79)  407.51                80
 11/12/2018   18:20:50   (  -0.00, -75.22) (   0.20, -74.26)  109.21                80
 11/14/2018   06:45:18   (  -0.00, -75.24) (   0.94, -79.54)  489.49                80
 11/15/2018   06:23:54   (  -0.01, -75.26) (  -0.08, -75.01)   27.99                80
 11/17/2018   18:29:46   (   0.01, -75.29) (  -0.10, -75.79)   57.24                80
 11/18/2018   18:08:21   (   0.01, -75.31) (   0.92, -71.26)  460.79                80
 11/20/2018   06:32:49   (  -0.01, -75.34) (   0.28, -76.53)  136.29                80
 11/21/2018   06:11:24   (  -0.01, -75.36) (  -0.74, -72.00)  382.03                80
 11/22/2018   18:36:00   (  -0.00, -75.38) (  -0.45, -77.31)  219.84                80
 11/23/2018   18:14:36   (  -0.00, -75.40) (   0.57, -72.78)  298.57                80