Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 6 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)
 06/07/2018   06:44:45   (  -0.02, -75.19) (   0.96, -79.44)  484.76                80
 06/08/2018   06:23:20   (  -0.02, -75.19) (  -0.07, -74.91)   31.81                80
 06/10/2018   18:26:32   (   0.02, -75.20) (  -0.08, -75.69)   54.98                80
 06/11/2018   18:10:28   (   0.02, -75.20) (   0.95, -71.16)  461.92                80
 06/13/2018   06:32:15   (  -0.02, -75.21) (   0.25, -76.42)  138.24                80
 06/14/2018   06:10:51   (  -0.02, -75.21) (  -0.78, -71.89)  378.66                80
 06/15/2018   18:32:47   (   0.02, -75.22) (  -0.40, -77.19)  224.61                80
 06/16/2018   18:16:42   (   0.01, -75.22) (   0.57, -72.65)  292.76                80
 06/18/2018   06:38:30   (  -0.01, -75.24) (   0.56, -77.93)  306.34                80
 06/19/2018   06:17:04   (  -0.01, -75.25) (  -0.41, -73.39)  211.42                80