Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 2 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/15/2018   06:44:35   (   0.02, -75.19) (   0.95, -79.45)  484.91                80
 02/16/2018   06:23:09   (   0.02, -75.18) (  -0.06, -74.91)   31.70                80
 02/18/2018   18:26:19   (  -0.02, -75.21) (  -0.11, -75.68)   53.32                80
 02/19/2018   18:10:14   (  -0.02, -75.21) (   0.90, -71.14)  463.79                80
 02/21/2018   06:32:00   (   0.02, -75.20) (   0.28, -76.40)  137.60                80
 02/22/2018   06:10:35   (   0.02, -75.20) (  -0.73, -71.87)  379.52                80
 02/23/2018   18:32:30   (  -0.02, -75.22) (  -0.45, -77.17)  221.75                80
 02/24/2018   18:16:24   (  -0.02, -75.23) (   0.56, -72.64)  295.65                80
 02/26/2018   06:38:11   (   0.03, -75.22) (   0.62, -77.90)  305.06                80
 02/27/2018   06:16:45   (   0.03, -75.23) (  -0.39, -73.36)  212.43                80