Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 7 2.  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   06:38:27   (   0.00, -75.21) (   0.58, -77.89)  305.51                80
 07/05/2018   06:17:01   (   0.00, -75.21) (  -0.40, -73.35)  211.74                80
 07/06/2018   18:38:57   (  -0.00, -75.23) (  -0.78, -78.65)  390.99                80
 07/07/2018   18:22:53   (  -0.00, -75.24) (   0.25, -74.13)  126.62                80
 07/09/2018   06:44:40   (   0.01, -75.25) (   0.92, -79.39)  472.02                80
 07/10/2018   06:23:15   (   0.01, -75.26) (  -0.06, -74.85)   45.62                80
 07/12/2018   18:26:27   (  -0.01, -75.28) (  -0.08, -75.63)   39.23                80
 07/13/2018   18:10:22   (  -0.01, -75.29) (   0.95, -71.10)  478.67                80
 07/15/2018   06:32:09   (   0.01, -75.31) (   0.22, -76.37)  119.28                80
 07/16/2018   06:10:44   (   0.01, -75.33) (  -0.76, -71.83)  398.96                80