Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 10 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/19/2018   06:30:09   (  -0.00, -75.24) (   0.27, -76.47)  140.44                80
 10/20/2018   06:14:04   (  -0.00, -75.25) (  -0.76, -71.95)  377.07                80
 10/21/2018   18:33:20   (   0.00, -75.26) (  -0.47, -77.24)  226.73                80
 10/22/2018   18:17:15   (   0.00, -75.27) (   0.57, -72.72)  291.19                80
 10/24/2018   06:36:23   (  -0.00, -75.31) (   0.62, -77.99)  306.01                80
 10/25/2018   06:17:38   (  -0.00, -75.32) (  -0.42, -73.46)  212.10                80
 10/26/2018   18:39:34   (   0.00, -75.34) (  -0.75, -78.77)  391.05                80
 10/27/2018   18:23:29   (  -0.00, -75.35) (   0.23, -74.23)  127.13                80
 10/29/2018   06:45:17   (   0.00, -75.39) (   0.90, -79.52)  469.77                80
 10/30/2018   06:23:52   (   0.00, -75.41) (  -0.08, -74.98)   48.47                80
 11/01/2018   18:29:44   (  -0.00, -75.45) (  -0.05, -75.76)   35.86                80