Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 10 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/17/2018   18:11:01   (   0.00, -75.19) (   0.89, -71.19)  455.31                80
 10/19/2018   06:32:48   (   0.00, -75.20) (   0.31, -76.46)  144.29                80
 10/20/2018   06:11:24   (  -0.00, -75.21) (  -0.73, -71.94)  372.29                80
 10/21/2018   18:33:20   (   0.00, -75.20) (  -0.44, -77.25)  232.90                80
 10/22/2018   18:17:15   (   0.00, -75.21) (   0.53, -72.71)  284.06                80
 10/24/2018   06:39:03   (  -0.00, -75.23) (   0.59, -77.99)  314.48                80
 10/25/2018   06:17:38   (  -0.00, -75.24) (  -0.38, -73.45)  202.68                80
 10/26/2018   18:39:34   (   0.00, -75.24) (  -0.78, -78.77)  401.89                80
 10/27/2018   18:23:29   (  -0.00, -75.25) (   0.25, -74.24)  115.36                80
 10/29/2018   06:42:37   (  -0.00, -75.27) (   0.93, -79.51)  482.99                80
 10/30/2018   06:26:32   (  -0.01, -75.28) (  -0.11, -74.99)   34.29                80