Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 11 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/06/2018   18:35:59   (   0.00, -75.20) (  -0.48, -77.27)  236.60                80
 11/07/2018   18:17:15   (   0.00, -75.20) (   0.53, -72.74)  279.87                80
 11/09/2018   06:39:03   (  -0.00, -75.20) (   0.61, -78.02)  320.45                80
 11/10/2018   06:17:39   (  -0.00, -75.21) (  -0.40, -73.49)  196.27                80
 11/11/2018   18:39:35   (  -0.00, -75.22) (  -0.80, -78.80)  407.55                80
 11/12/2018   18:23:30   (  -0.00, -75.23) (   0.22, -74.27)  109.59                80
 11/14/2018   06:45:18   (   0.01, -75.24) (   0.99, -79.53)  489.58                80
 11/15/2018   06:23:53   (   0.01, -75.25) (  -0.03, -75.01)   27.93                80
 11/17/2018   18:27:05   (  -0.01, -75.29) (  -0.15, -75.78)   57.05                80
 11/18/2018   18:11:01   (  -0.02, -75.30) (   0.87, -71.25)  461.04                80