Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 11 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)
 11/15/2018   06:23:54   (   0.01, -75.23) (  -0.06, -75.01)   25.63                80
 11/17/2018   18:27:05   (  -0.01, -75.23) (  -0.12, -75.79)   63.42                80
 11/18/2018   18:11:01   (  -0.01, -75.23) (   0.90, -71.26)  453.38                80
 11/20/2018   06:32:48   (   0.02, -75.25) (   0.30, -76.52)  145.37                80
 11/21/2018   06:11:24   (   0.02, -75.26) (  -0.72, -72.00)  371.64                80
 11/22/2018   18:33:20   (  -0.02, -75.26) (  -0.48, -77.30)  233.02                80
 11/23/2018   18:14:36   (  -0.02, -75.26) (   0.55, -72.77)  284.10                80
 11/25/2018   06:39:03   (   0.03, -75.29) (   0.65, -78.04)  314.26                80
 11/26/2018   06:17:38   (   0.03, -75.29) (  -0.38, -73.52)  202.82                80
 11/27/2018   18:42:15   (  -0.03, -75.30) (  -0.82, -78.82)  401.52                80
 11/28/2018   18:20:50   (  -0.03, -75.31) (   0.21, -74.29)  115.87                80