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

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/09/2018   06:44:39   (  -0.01, -75.20) (   0.96, -79.38)  477.72                80
 07/10/2018   06:23:15   (  -0.01, -75.20) (  -0.08, -74.86)   39.08                80
 07/12/2018   18:26:27   (   0.02, -75.22) (  -0.07, -75.63)   47.17                80
 07/13/2018   18:10:22   (   0.02, -75.22) (   0.97, -71.10)  469.93                80
 07/15/2018   06:32:10   (  -0.03, -75.22) (   0.20, -76.37)  129.85                80
 07/16/2018   06:10:44   (  -0.03, -75.23) (  -0.78, -71.83)  387.76                80
 07/17/2018   18:32:40   (   0.03, -75.26) (  -0.40, -77.13)  213.96                80
 07/18/2018   18:16:36   (   0.03, -75.27) (   0.64, -72.60)  304.23                80
 07/20/2018   06:38:23   (  -0.03, -75.29) (   0.53, -77.87)  293.92                80
 07/21/2018   06:16:58   (  -0.03, -75.31) (  -0.45, -73.33)  224.59                80