Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 7 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/02/2018   18:16:39   (   0.02, -75.21) (   0.58, -72.62)  294.63                80
 07/04/2018   06:38:26   (  -0.02, -75.23) (   0.59, -77.89)  303.43                80
 07/05/2018   06:17:02   (  -0.02, -75.25) (  -0.44, -73.36)  214.73                80
 07/06/2018   18:38:58   (   0.02, -75.27) (  -0.74, -78.66)  386.65                80
 07/07/2018   18:22:54   (   0.02, -75.29) (   0.29, -74.14)  131.82                80
 07/09/2018   06:44:41   (  -0.02, -75.32) (   0.88, -79.40)  465.43                80
 07/10/2018   06:23:15   (  -0.03, -75.33) (  -0.10, -74.86)   53.04                80
 07/12/2018   18:26:27   (   0.03, -75.38) (  -0.04, -75.64)   29.75                80
 07/13/2018   18:10:23   (   0.03, -75.40) (   1.00, -71.11)  489.07                80
 07/15/2018   06:32:10   (  -0.02, -75.43) (   0.18, -76.38)  107.29                80