Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 10 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/16/2018   18:27:06   (  -0.00, -75.20) (  -0.14, -75.72)   60.40                80
 10/17/2018   18:11:01   (  -0.00, -75.20) (   0.89, -71.20)  456.34                80
 10/19/2018   06:30:08   (   0.00, -75.22) (   0.30, -76.46)  142.66                80
 10/20/2018   06:11:24   (   0.00, -75.23) (  -0.73, -71.94)  374.47                80
 10/21/2018   18:36:00   (   0.00, -75.23) (  -0.44, -77.25)  229.76                80
 10/22/2018   18:14:35   (  -0.00, -75.24) (   0.54, -72.71)  287.74                80
 10/24/2018   06:39:03   (   0.00, -75.27) (   0.59, -77.99)  310.15                80
 10/25/2018   06:17:38   (   0.00, -75.28) (  -0.39, -73.46)  207.55                80
 10/26/2018   18:42:14   (  -0.00, -75.29) (  -0.77, -78.77)  396.03                80
 10/27/2018   18:20:49   (  -0.00, -75.30) (   0.26, -74.24)  121.72                80
 10/29/2018   06:45:17   (  -0.00, -75.33) (   0.92, -79.51)  475.90                80