Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 6 5.  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   (  -0.01, -75.19) (   0.94, -79.44)  484.59                80
 06/08/2018   06:23:21   (  -0.01, -75.19) (  -0.09, -74.92)   31.94                80
 06/10/2018   18:26:33   (   0.02, -75.20) (  -0.06, -75.69)   54.98                80
 06/11/2018   18:10:27   (   0.02, -75.21) (   0.90, -71.15)  461.98                80
 06/13/2018   06:32:15   (  -0.02, -75.21) (   0.24, -76.42)  138.16                80
 06/14/2018   06:10:51   (  -0.02, -75.21) (  -0.79, -71.89)  378.69                80
 06/15/2018   18:32:46   (   0.02, -75.22) (  -0.44, -77.18)  224.69                80
 06/16/2018   18:16:42   (   0.02, -75.23) (   0.59, -72.66)  292.62                80
 06/18/2018   06:38:30   (  -0.02, -75.24) (   0.55, -77.93)  306.44                80
 06/19/2018   06:17:05   (  -0.02, -75.25) (  -0.42, -73.39)  211.28                80