Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 2 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/10/2018   06:38:23   (   0.00, -75.18) (   0.64, -77.94)  315.07                80
 02/11/2018   06:16:58   (  -0.00, -75.19) (  -0.37, -73.41)  201.94                80
 02/12/2018   18:38:54   (   0.01, -75.22) (  -0.75, -78.72)  398.89                80
 02/13/2018   18:22:49   (   0.01, -75.22) (   0.26, -74.19)  118.62                80
 02/15/2018   06:44:35   (  -0.01, -75.22) (   0.94, -79.45)  482.36                80
 02/16/2018   06:23:09   (  -0.01, -75.23) (  -0.07, -74.91)   35.33                80
 02/18/2018   18:26:19   (   0.01, -75.28) (  -0.09, -75.68)   46.47                80
 02/19/2018   18:10:14   (   0.01, -75.29) (   0.92, -71.15)  471.93                80
 02/21/2018   06:32:01   (  -0.02, -75.29) (   0.21, -76.42)  127.82                80
 02/22/2018   06:10:36   (  -0.01, -75.31) (  -0.80, -71.89)  390.49                80