Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 6 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/11/2019   06:26:13   (   0.01, -75.20) (  -0.05, -74.99)   24.30                80
 06/13/2019   18:26:46   (  -0.00, -75.20) (  -0.11, -75.76)   63.31                80
 06/14/2019   18:10:41   (   0.00, -75.21) (   0.89, -71.23)  453.61                80
 06/16/2019   06:29:50   (  -0.01, -75.22) (   0.30, -76.50)  145.76                80
 06/17/2019   06:13:46   (  -0.01, -75.23) (  -0.76, -71.98)  371.54                80
 06/18/2019   18:33:03   (   0.01, -75.24) (  -0.45, -77.28)  231.70                80
 06/19/2019   18:16:58   (   0.00, -75.26) (   0.55, -72.74)  286.09                80
 06/21/2019   06:36:06   (  -0.00, -75.28) (   0.64, -78.01)  311.83                80
 06/22/2019   06:20:03   (   0.01, -75.30) (  -0.43, -73.49)  206.38                80
 06/23/2019   18:39:19   (  -0.00, -75.32) (  -0.78, -78.79)  395.69                80
 06/24/2019   18:23:15   (  -0.01, -75.34) (   0.22, -74.26)  122.96                80