Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 2 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/07/2018   18:32:42   (  -0.02, -75.19) (  -0.46, -77.22)  230.86                80
 02/08/2018   18:16:37   (  -0.02, -75.20) (   0.55, -72.68)  287.15                80
 02/10/2018   06:38:23   (   0.03, -75.20) (   0.64, -77.94)  313.02                80
 02/11/2018   06:16:58   (   0.03, -75.21) (  -0.37, -73.41)  205.08                80
 02/12/2018   18:38:53   (  -0.04, -75.25) (  -0.81, -78.71)  394.24                80
 02/13/2018   18:22:48   (  -0.04, -75.27) (   0.20, -74.17)  124.37                80
 02/15/2018   06:44:34   (   0.04, -75.28) (   1.00, -79.44)  474.47                80
 02/16/2018   06:23:08   (   0.04, -75.30) (  -0.02, -74.90)   44.36                80
 02/18/2018   18:26:19   (  -0.04, -75.37) (  -0.09, -75.68)   35.25                80
 02/19/2018   18:10:14   (  -0.04, -75.39) (   0.92, -71.15)  484.18                80