Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 7 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/04/2018   06:38:26   (   0.00, -75.20) (   0.61, -77.89)  306.65                80
 07/05/2018   06:17:02   (   0.00, -75.19) (  -0.43, -73.36)  209.74                80
 07/06/2018   18:38:58   (  -0.00, -75.20) (  -0.75, -78.66)  394.27                80
 07/07/2018   18:22:52   (  -0.00, -75.20) (   0.22, -74.12)  122.47                80
 07/09/2018   06:44:40   (  -0.00, -75.20) (   0.95, -79.39)  477.60                80
 07/10/2018   06:23:15   (  -0.00, -75.20) (  -0.09, -74.86)   39.09                80
 07/12/2018   18:26:26   (   0.01, -75.21) (  -0.11, -75.62)   48.02                80
 07/13/2018   18:10:22   (   0.01, -75.21) (   0.92, -71.09)  469.04                80
 07/15/2018   06:32:09   (  -0.01, -75.22) (   0.25, -76.36)  130.28                80
 07/16/2018   06:10:44   (  -0.01, -75.22) (  -0.79, -71.83)  387.16                80
 07/17/2018   18:32:41   (   0.01, -75.24) (  -0.38, -77.14)  215.29                80