Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 2 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)
 02/06/2018   06:10:48   (  -0.01, -75.18) (  -0.75, -71.92)  371.27                80
 02/07/2018   18:32:43   (   0.01, -75.20) (  -0.43, -77.22)  230.26                80
 02/08/2018   18:16:37   (   0.01, -75.20) (   0.57, -72.69)  286.87                80
 02/10/2018   06:38:24   (  -0.01, -75.19) (   0.62, -77.95)  314.60                80
 02/11/2018   06:16:58   (  -0.01, -75.20) (  -0.39, -73.41)  202.64                80
 02/12/2018   18:38:53   (   0.02, -75.22) (  -0.79, -78.71)  398.43                80
 02/13/2018   18:22:49   (   0.02, -75.23) (   0.28, -74.19)  119.34                80
 02/15/2018   06:44:35   (  -0.02, -75.23) (   0.92, -79.45)  480.84                80
 02/16/2018   06:23:10   (  -0.02, -75.24) (  -0.09, -74.92)   37.08                80
 02/18/2018   18:26:20   (   0.02, -75.29) (  -0.07, -75.69)   44.71                80