Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 6 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)
 06/03/2018   06:17:06   (  -0.02, -75.19) (  -0.39, -73.40)  203.14                80
 06/04/2018   18:39:02   (  -0.01, -75.20) (  -0.79, -78.71)  399.99                80
 06/05/2018   18:22:57   (  -0.01, -75.20) (   0.23, -74.18)  117.22                80
 06/07/2018   06:44:45   (   0.02, -75.21) (   0.97, -79.44)  482.18                80
 06/08/2018   06:23:20   (   0.02, -75.21) (  -0.06, -74.91)   35.08                80
 06/10/2018   18:26:32   (  -0.02, -75.24) (  -0.09, -75.68)   50.59                80
 06/11/2018   18:10:27   (  -0.01, -75.24) (   0.88, -71.14)  466.98                80
 06/13/2018   06:32:15   (   0.00, -75.26) (   0.26, -76.42)  132.03                80
 06/14/2018   06:10:50   (   0.00, -75.27) (  -0.77, -71.89)  385.46                80
 06/15/2018   18:32:47   (  -0.00, -75.28) (  -0.40, -77.19)  217.30                80
 06/16/2018   18:16:41   (  -0.01, -75.29) (   0.57, -72.65)  300.76                80