Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 2 9.  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   (   0.01, -75.18) (   0.64, -77.94)  314.98                80
 02/11/2018   06:16:58   (   0.01, -75.19) (  -0.37, -73.41)  202.07                80
 02/12/2018   18:38:53   (  -0.01, -75.22) (  -0.81, -78.71)  398.51                80
 02/13/2018   18:22:48   (  -0.01, -75.22) (   0.20, -74.17)  119.04                80
 02/15/2018   06:44:35   (   0.01, -75.21) (   0.94, -79.45)  482.15                80
 02/16/2018   06:23:09   (   0.00, -75.22) (  -0.07, -74.91)   35.50                80
 02/18/2018   18:26:19   (  -0.00, -75.28) (  -0.10, -75.68)   46.18                80
 02/19/2018   18:10:14   (  -0.00, -75.29) (   0.91, -71.14)  472.11                80
 02/21/2018   06:32:00   (   0.00, -75.29) (   0.27, -76.41)  127.80                80
 02/22/2018   06:10:35   (   0.00, -75.30) (  -0.74, -71.87)  390.50                80