Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 2 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/08/2018   18:16:37   (  -0.02, -75.19) (   0.56, -72.68)  286.35                80
 02/10/2018   06:38:23   (   0.03, -75.19) (   0.64, -77.94)  314.07                80
 02/11/2018   06:16:58   (   0.03, -75.20) (  -0.37, -73.41)  203.98                80
 02/12/2018   18:38:53   (  -0.03, -75.24) (  -0.81, -78.71)  395.23                80
 02/13/2018   18:22:48   (  -0.04, -75.26) (   0.20, -74.17)  123.33                80
 02/15/2018   06:44:34   (   0.04, -75.27) (   0.99, -79.44)  475.77                80
 02/16/2018   06:23:09   (   0.04, -75.28) (  -0.02, -74.90)   43.00                80
 02/18/2018   18:26:19   (  -0.04, -75.36) (  -0.09, -75.68)   36.52                80
 02/19/2018   18:10:14   (  -0.04, -75.38) (   0.92, -71.15)  482.83                80
 02/21/2018   06:32:00   (   0.05, -75.40) (   0.27, -76.41)  115.10                80