Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 6 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)
 06/21/2019   06:38:46   (  -0.00, -75.20) (   0.63, -78.01)  320.84                80
 06/22/2019   06:17:22   (   0.01, -75.20) (  -0.37, -73.48)  196.14                80
 06/23/2019   18:39:19   (  -0.02, -75.21) (  -0.79, -78.79)  407.17                80
 06/24/2019   18:23:15   (  -0.02, -75.22) (   0.21, -74.26)  110.22                80
 06/26/2019   06:45:03   (   0.02, -75.23) (   0.97, -79.53)  488.83                80
 06/27/2019   06:23:39   (   0.02, -75.24) (  -0.04, -74.99)   28.62                80
 06/29/2019   18:26:51   (  -0.01, -75.27) (  -0.12, -75.77)   56.66                80
 06/30/2019   18:10:47   (  -0.01, -75.29) (   0.89, -71.24)  460.93                80
 07/02/2019   06:32:35   (  -0.00, -75.31) (   0.29, -76.51)  137.81                80
 07/03/2019   06:11:12   (   0.00, -75.32) (  -0.77, -71.99)  379.93                80